Home / 1,227,828.68-1,695,105.90-814,925.44

Finding the Fourth Proportional to 1,227,828.68, 1,695,105.90 and 814,925.44

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Solution

The fourth proportional to 1,227,828.68, 1,695,105.90 and 814,925.44 is: 1,125,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,828.68 : 1,695,105.90 = 814,925.44 : x
  2. Step 2: Convert to fraction form
    1,227,828.68/1,695,105.90 = 814,925.44/x
  3. Step 3: Cross multiply
    1,227,828.68x = 1,695,105.90 × 814,925.44
  4. Step 4: Simplify right side
    1,227,828.68x = 1,381,384,921,404.10
  5. Step 5: Solve for x
    x = 1,381,384,921,404.10/1,227,828.68
  6. Step 6: Final answer
    x = 1,125,063.25

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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.