Home / 834,887.57-1,152,145.15-472,303.76

Finding the Fourth Proportional to 834,887.57, 1,152,145.15 and 472,303.76

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Solution

The fourth proportional to 834,887.57, 1,152,145.15 and 472,303.76 is: 651,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,887.57 : 1,152,145.15 = 472,303.76 : x
  2. Step 2: Convert to fraction form
    834,887.57/1,152,145.15 = 472,303.76/x
  3. Step 3: Cross multiply
    834,887.57x = 1,152,145.15 × 472,303.76
  4. Step 4: Simplify right side
    834,887.57x = 544,162,479,469.28
  5. Step 5: Solve for x
    x = 544,162,479,469.28/834,887.57
  6. Step 6: Final answer
    x = 651,779.36

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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.