Home / 1,103,248.14-1,522,343.16-644,255.16

Finding the Fourth Proportional to 1,103,248.14, 1,522,343.16 and 644,255.16

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Solution

The fourth proportional to 1,103,248.14, 1,522,343.16 and 644,255.16 is: 888,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,248.14 : 1,522,343.16 = 644,255.16 : x
  2. Step 2: Convert to fraction form
    1,103,248.14/1,522,343.16 = 644,255.16/x
  3. Step 3: Cross multiply
    1,103,248.14x = 1,522,343.16 × 644,255.16
  4. Step 4: Simplify right side
    1,103,248.14x = 980,777,436,120.71
  5. Step 5: Solve for x
    x = 980,777,436,120.71/1,103,248.14
  6. Step 6: Final answer
    x = 888,990.79

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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.