Home / 834,544.75-1,151,733.62-467,058.72

Finding the Fourth Proportional to 834,544.75, 1,151,733.62 and 467,058.72

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Solution

The fourth proportional to 834,544.75, 1,151,733.62 and 467,058.72 is: 644,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,544.75 : 1,151,733.62 = 467,058.72 : x
  2. Step 2: Convert to fraction form
    834,544.75/1,151,733.62 = 467,058.72/x
  3. Step 3: Cross multiply
    834,544.75x = 1,151,733.62 × 467,058.72
  4. Step 4: Simplify right side
    834,544.75x = 537,927,228,002.87
  5. Step 5: Solve for x
    x = 537,927,228,002.87/834,544.75
  6. Step 6: Final answer
    x = 644,575.65

Related Problems

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Half scale
Find fourth proportional to 1,669,089.50, 2,303,467.23 and 934,117.44
Double scale
Find fourth proportional to 834,545.75, 1,151,735 and 467,059.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.