Home / 1,253,435.38-1,877,086.75-1,132,128.42

Finding the Fourth Proportional to 1,253,435.38, 1,877,086.75 and 1,132,128.42

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Solution

The fourth proportional to 1,253,435.38, 1,877,086.75 and 1,132,128.42 is: 1,695,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,435.38 : 1,877,086.75 = 1,132,128.42 : x
  2. Step 2: Convert to fraction form
    1,253,435.38/1,877,086.75 = 1,132,128.42/x
  3. Step 3: Cross multiply
    1,253,435.38x = 1,877,086.75 × 1,132,128.42
  4. Step 4: Simplify right side
    1,253,435.38x = 2,125,103,250,856.52
  5. Step 5: Solve for x
    x = 2,125,103,250,856.52/1,253,435.38
  6. Step 6: Final answer
    x = 1,695,423.06

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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.