Home / 724,324.28-999,568.15-434,104.42

Finding the Fourth Proportional to 724,324.28, 999,568.15 and 434,104.42

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Solution

The fourth proportional to 724,324.28, 999,568.15 and 434,104.42 is: 599,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,324.28 : 999,568.15 = 434,104.42 : x
  2. Step 2: Convert to fraction form
    724,324.28/999,568.15 = 434,104.42/x
  3. Step 3: Cross multiply
    724,324.28x = 999,568.15 × 434,104.42
  4. Step 4: Simplify right side
    724,324.28x = 433,916,953,107.52
  5. Step 5: Solve for x
    x = 433,916,953,107.52/724,324.28
  6. Step 6: Final answer
    x = 599,064.48

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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.