Home / 723,923.19-999,100.17-418,073.94

Finding the Fourth Proportional to 723,923.19, 999,100.17 and 418,073.94

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Solution

The fourth proportional to 723,923.19, 999,100.17 and 418,073.94 is: 576,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,923.19 : 999,100.17 = 418,073.94 : x
  2. Step 2: Convert to fraction form
    723,923.19/999,100.17 = 418,073.94/x
  3. Step 3: Cross multiply
    723,923.19x = 999,100.17 × 418,073.94
  4. Step 4: Simplify right side
    723,923.19x = 417,697,744,526.57
  5. Step 5: Solve for x
    x = 417,697,744,526.57/723,923.19
  6. Step 6: Final answer
    x = 576,991.80

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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.