Home / 1,041,397.35-1,561,789.83-442,353.75

Finding the Fourth Proportional to 1,041,397.35, 1,561,789.83 and 442,353.75

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Solution

The fourth proportional to 1,041,397.35, 1,561,789.83 and 442,353.75 is: 663,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,397.35 : 1,561,789.83 = 442,353.75 : x
  2. Step 2: Convert to fraction form
    1,041,397.35/1,561,789.83 = 442,353.75/x
  3. Step 3: Cross multiply
    1,041,397.35x = 1,561,789.83 × 442,353.75
  4. Step 4: Simplify right side
    1,041,397.35x = 690,863,588,012.36
  5. Step 5: Solve for x
    x = 690,863,588,012.36/1,041,397.35
  6. Step 6: Final answer
    x = 663,400.56

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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.