Home / 1,405,545.62-2,108,447.10-394,660.76

Finding the Fourth Proportional to 1,405,545.62, 2,108,447.10 and 394,660.76

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Solution

The fourth proportional to 1,405,545.62, 2,108,447.10 and 394,660.76 is: 592,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,545.62 : 2,108,447.10 = 394,660.76 : x
  2. Step 2: Convert to fraction form
    1,405,545.62/2,108,447.10 = 394,660.76/x
  3. Step 3: Cross multiply
    1,405,545.62x = 2,108,447.10 × 394,660.76
  4. Step 4: Simplify right side
    1,405,545.62x = 832,121,343,263.57
  5. Step 5: Solve for x
    x = 832,121,343,263.57/1,405,545.62
  6. Step 6: Final answer
    x = 592,027.27

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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.