Home / 632,315.12-948,474.28-258,338.12

Finding the Fourth Proportional to 632,315.12, 948,474.28 and 258,338.12

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Solution

The fourth proportional to 632,315.12, 948,474.28 and 258,338.12 is: 387,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,315.12 : 948,474.28 = 258,338.12 : x
  2. Step 2: Convert to fraction form
    632,315.12/948,474.28 = 258,338.12/x
  3. Step 3: Cross multiply
    632,315.12x = 948,474.28 × 258,338.12
  4. Step 4: Simplify right side
    632,315.12x = 245,027,062,363.55
  5. Step 5: Solve for x
    x = 245,027,062,363.55/632,315.12
  6. Step 6: Final answer
    x = 387,507.83

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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.