Home / 668,724.22-922,839.28-382,250.46

Finding the Fourth Proportional to 668,724.22, 922,839.28 and 382,250.46

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Solution

The fourth proportional to 668,724.22, 922,839.28 and 382,250.46 is: 527,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,724.22 : 922,839.28 = 382,250.46 : x
  2. Step 2: Convert to fraction form
    668,724.22/922,839.28 = 382,250.46/x
  3. Step 3: Cross multiply
    668,724.22x = 922,839.28 × 382,250.46
  4. Step 4: Simplify right side
    668,724.22x = 352,755,736,600.12
  5. Step 5: Solve for x
    x = 352,755,736,600.12/668,724.22
  6. Step 6: Final answer
    x = 527,505.55

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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.