Home / 992,298.14-1,487,139.35-392,932.33

Finding the Fourth Proportional to 992,298.14, 1,487,139.35 and 392,932.33

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Solution

The fourth proportional to 992,298.14, 1,487,139.35 and 392,932.33 is: 588,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,298.14 : 1,487,139.35 = 392,932.33 : x
  2. Step 2: Convert to fraction form
    992,298.14/1,487,139.35 = 392,932.33/x
  3. Step 3: Cross multiply
    992,298.14x = 1,487,139.35 × 392,932.33
  4. Step 4: Simplify right side
    992,298.14x = 584,345,132,512.83
  5. Step 5: Solve for x
    x = 584,345,132,512.83/992,298.14
  6. Step 6: Final answer
    x = 588,880.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.