Home / 1,513,573.62-2,088,747.89-825,239.85

Finding the Fourth Proportional to 1,513,573.62, 2,088,747.89 and 825,239.85

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Solution

The fourth proportional to 1,513,573.62, 2,088,747.89 and 825,239.85 is: 1,138,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,573.62 : 2,088,747.89 = 825,239.85 : x
  2. Step 2: Convert to fraction form
    1,513,573.62/2,088,747.89 = 825,239.85/x
  3. Step 3: Cross multiply
    1,513,573.62x = 2,088,747.89 × 825,239.85
  4. Step 4: Simplify right side
    1,513,573.62x = 1,723,717,991,305.22
  5. Step 5: Solve for x
    x = 1,723,717,991,305.22/1,513,573.62
  6. Step 6: Final answer
    x = 1,138,839.87

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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.