Home / 714,244.25-985,669.07-391,984.34

Finding the Fourth Proportional to 714,244.25, 985,669.07 and 391,984.34

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Solution

The fourth proportional to 714,244.25, 985,669.07 and 391,984.34 is: 540,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,244.25 : 985,669.07 = 391,984.34 : x
  2. Step 2: Convert to fraction form
    714,244.25/985,669.07 = 391,984.34/x
  3. Step 3: Cross multiply
    714,244.25x = 985,669.07 × 391,984.34
  4. Step 4: Simplify right side
    714,244.25x = 386,366,832,974.10
  5. Step 5: Solve for x
    x = 386,366,832,974.10/714,244.25
  6. Step 6: Final answer
    x = 540,944.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.