Home / 786,542.13-1,085,520.29-447,061.41

Finding the Fourth Proportional to 786,542.13, 1,085,520.29 and 447,061.41

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Solution

The fourth proportional to 786,542.13, 1,085,520.29 and 447,061.41 is: 616,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,542.13 : 1,085,520.29 = 447,061.41 : x
  2. Step 2: Convert to fraction form
    786,542.13/1,085,520.29 = 447,061.41/x
  3. Step 3: Cross multiply
    786,542.13x = 1,085,520.29 × 447,061.41
  4. Step 4: Simplify right side
    786,542.13x = 485,294,229,195.70
  5. Step 5: Solve for x
    x = 485,294,229,195.70/786,542.13
  6. Step 6: Final answer
    x = 616,997.12

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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.