Home / 747,312.70-1,120,969.05-616,092.70

Finding the Fourth Proportional to 747,312.70, 1,120,969.05 and 616,092.70

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Solution

The fourth proportional to 747,312.70, 1,120,969.05 and 616,092.70 is: 924,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,312.70 : 1,120,969.05 = 616,092.70 : x
  2. Step 2: Convert to fraction form
    747,312.70/1,120,969.05 = 616,092.70/x
  3. Step 3: Cross multiply
    747,312.70x = 1,120,969.05 × 616,092.70
  4. Step 4: Simplify right side
    747,312.70x = 690,620,848,630.94
  5. Step 5: Solve for x
    x = 690,620,848,630.94/747,312.70
  6. Step 6: Final answer
    x = 924,139.05

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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.