Home / 714,224.59-985,627.03-391,940.07

Finding the Fourth Proportional to 714,224.59, 985,627.03 and 391,940.07

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Solution

The fourth proportional to 714,224.59, 985,627.03 and 391,940.07 is: 540,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,224.59 : 985,627.03 = 391,940.07 : x
  2. Step 2: Convert to fraction form
    714,224.59/985,627.03 = 391,940.07/x
  3. Step 3: Cross multiply
    714,224.59x = 985,627.03 × 391,940.07
  4. Step 4: Simplify right side
    714,224.59x = 386,306,727,132.09
  5. Step 5: Solve for x
    x = 386,306,727,132.09/714,224.59
  6. Step 6: Final answer
    x = 540,875.70

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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.