Home / 1,519,657.52-2,086,145.72-1,304,423.92

Finding the Fourth Proportional to 1,519,657.52, 2,086,145.72 and 1,304,423.92

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Solution

The fourth proportional to 1,519,657.52, 2,086,145.72 and 1,304,423.92 is: 1,790,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,657.52 : 2,086,145.72 = 1,304,423.92 : x
  2. Step 2: Convert to fraction form
    1,519,657.52/2,086,145.72 = 1,304,423.92/x
  3. Step 3: Cross multiply
    1,519,657.52x = 2,086,145.72 × 1,304,423.92
  4. Step 4: Simplify right side
    1,519,657.52x = 2,721,218,377,773.62
  5. Step 5: Solve for x
    x = 2,721,218,377,773.62/1,519,657.52
  6. Step 6: Final answer
    x = 1,790,678.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.