Home / 625,719.54-938,754.27-205,290.66

Finding the Fourth Proportional to 625,719.54, 938,754.27 and 205,290.66

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Solution

The fourth proportional to 625,719.54, 938,754.27 and 205,290.66 is: 307,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,719.54 : 938,754.27 = 205,290.66 : x
  2. Step 2: Convert to fraction form
    625,719.54/938,754.27 = 205,290.66/x
  3. Step 3: Cross multiply
    625,719.54x = 938,754.27 × 205,290.66
  4. Step 4: Simplify right side
    625,719.54x = 192,717,483,666.12
  5. Step 5: Solve for x
    x = 192,717,483,666.12/625,719.54
  6. Step 6: Final answer
    x = 307,993.39

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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.