Home / 1,538,854.38-2,308,065.84-527,959.80

Finding the Fourth Proportional to 1,538,854.38, 2,308,065.84 and 527,959.80

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Solution

The fourth proportional to 1,538,854.38, 2,308,065.84 and 527,959.80 is: 791,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,854.38 : 2,308,065.84 = 527,959.80 : x
  2. Step 2: Convert to fraction form
    1,538,854.38/2,308,065.84 = 527,959.80/x
  3. Step 3: Cross multiply
    1,538,854.38x = 2,308,065.84 × 527,959.80
  4. Step 4: Simplify right side
    1,538,854.38x = 1,218,565,979,273.23
  5. Step 5: Solve for x
    x = 1,218,565,979,273.23/1,538,854.38
  6. Step 6: Final answer
    x = 791,865.69

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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.