Home / 625,719.04-938,753.52-205,290.16

Finding the Fourth Proportional to 625,719.04, 938,753.52 and 205,290.16

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Solution

The fourth proportional to 625,719.04, 938,753.52 and 205,290.16 is: 307,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,719.04 : 938,753.52 = 205,290.16 : x
  2. Step 2: Convert to fraction form
    625,719.04/938,753.52 = 205,290.16/x
  3. Step 3: Cross multiply
    625,719.04x = 938,753.52 × 205,290.16
  4. Step 4: Simplify right side
    625,719.04x = 192,716,860,321.36
  5. Step 5: Solve for x
    x = 192,716,860,321.36/625,719.04
  6. Step 6: Final answer
    x = 307,992.64

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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.