Home / 1,227,575.55-1,838,252.92-978,743.55

Finding the Fourth Proportional to 1,227,575.55, 1,838,252.92 and 978,743.55

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Solution

The fourth proportional to 1,227,575.55, 1,838,252.92 and 978,743.55 is: 1,465,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,575.55 : 1,838,252.92 = 978,743.55 : x
  2. Step 2: Convert to fraction form
    1,227,575.55/1,838,252.92 = 978,743.55/x
  3. Step 3: Cross multiply
    1,227,575.55x = 1,838,252.92 × 978,743.55
  4. Step 4: Simplify right side
    1,227,575.55x = 1,799,178,188,718.67
  5. Step 5: Solve for x
    x = 1,799,178,188,718.67/1,227,575.55
  6. Step 6: Final answer
    x = 1,465,635.41

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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.