Home / 889,648.50-1,331,124.51-623,927.70

Finding the Fourth Proportional to 889,648.50, 1,331,124.51 and 623,927.70

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Solution

The fourth proportional to 889,648.50, 1,331,124.51 and 623,927.70 is: 933,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,648.50 : 1,331,124.51 = 623,927.70 : x
  2. Step 2: Convert to fraction form
    889,648.50/1,331,124.51 = 623,927.70/x
  3. Step 3: Cross multiply
    889,648.50x = 1,331,124.51 × 623,927.70
  4. Step 4: Simplify right side
    889,648.50x = 830,525,453,937.93
  5. Step 5: Solve for x
    x = 830,525,453,937.93/889,648.50
  6. Step 6: Final answer
    x = 933,543.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.