Home / 632,143.72-948,216.49-258,166.72

Finding the Fourth Proportional to 632,143.72, 948,216.49 and 258,166.72

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Solution

The fourth proportional to 632,143.72, 948,216.49 and 258,166.72 is: 387,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,143.72 : 948,216.49 = 258,166.72 : x
  2. Step 2: Convert to fraction form
    632,143.72/948,216.49 = 258,166.72/x
  3. Step 3: Cross multiply
    632,143.72x = 948,216.49 × 258,166.72
  4. Step 4: Simplify right side
    632,143.72x = 244,797,941,073.21
  5. Step 5: Solve for x
    x = 244,797,941,073.21/632,143.72
  6. Step 6: Final answer
    x = 387,250.45

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Double scale
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Similar ratio
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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.