Home / 714,318.12-985,756.14-392,033.52

Finding the Fourth Proportional to 714,318.12, 985,756.14 and 392,033.52

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Solution

The fourth proportional to 714,318.12, 985,756.14 and 392,033.52 is: 541,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,318.12 : 985,756.14 = 392,033.52 : x
  2. Step 2: Convert to fraction form
    714,318.12/985,756.14 = 392,033.52/x
  3. Step 3: Cross multiply
    714,318.12x = 985,756.14 × 392,033.52
  4. Step 4: Simplify right side
    714,318.12x = 386,449,449,425.81
  5. Step 5: Solve for x
    x = 386,449,449,425.81/714,318.12
  6. Step 6: Final answer
    x = 541,004.68

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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.