Home / 625,890.26-938,966.07-205,133.06

Finding the Fourth Proportional to 625,890.26, 938,966.07 and 205,133.06

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Solution

The fourth proportional to 625,890.26, 938,966.07 and 205,133.06 is: 307,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,890.26 : 938,966.07 = 205,133.06 : x
  2. Step 2: Convert to fraction form
    625,890.26/938,966.07 = 205,133.06/x
  3. Step 3: Cross multiply
    625,890.26x = 938,966.07 × 205,133.06
  4. Step 4: Simplify right side
    625,890.26x = 192,612,983,175.27
  5. Step 5: Solve for x
    x = 192,612,983,175.27/625,890.26
  6. Step 6: Final answer
    x = 307,742.42

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1.5x scale

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.