Home / 714,550.82-986,084.28-392,263.56

Finding the Fourth Proportional to 714,550.82, 986,084.28 and 392,263.56

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Solution

The fourth proportional to 714,550.82, 986,084.28 and 392,263.56 is: 541,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,550.82 : 986,084.28 = 392,263.56 : x
  2. Step 2: Convert to fraction form
    714,550.82/986,084.28 = 392,263.56/x
  3. Step 3: Cross multiply
    714,550.82x = 986,084.28 × 392,263.56
  4. Step 4: Simplify right side
    714,550.82x = 386,804,930,132.84
  5. Step 5: Solve for x
    x = 386,804,930,132.84/714,550.82
  6. Step 6: Final answer
    x = 541,325.99

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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.