Home / 726,834.31-1,002,606.20-472,354.99

Finding the Fourth Proportional to 726,834.31, 1,002,606.20 and 472,354.99

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Solution

The fourth proportional to 726,834.31, 1,002,606.20 and 472,354.99 is: 651,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,834.31 : 1,002,606.20 = 472,354.99 : x
  2. Step 2: Convert to fraction form
    726,834.31/1,002,606.20 = 472,354.99/x
  3. Step 3: Cross multiply
    726,834.31x = 1,002,606.20 × 472,354.99
  4. Step 4: Simplify right side
    726,834.31x = 473,586,039,213.16
  5. Step 5: Solve for x
    x = 473,586,039,213.16/726,834.31
  6. Step 6: Final answer
    x = 651,573.59

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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.