Home / 438,565.68-605,236.32-247,613.04

Finding the Fourth Proportional to 438,565.68, 605,236.32 and 247,613.04

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Solution

The fourth proportional to 438,565.68, 605,236.32 and 247,613.04 is: 341,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,565.68 : 605,236.32 = 247,613.04 : x
  2. Step 2: Convert to fraction form
    438,565.68/605,236.32 = 247,613.04/x
  3. Step 3: Cross multiply
    438,565.68x = 605,236.32 × 247,613.04
  4. Step 4: Simplify right side
    438,565.68x = 149,864,405,113.61
  5. Step 5: Solve for x
    x = 149,864,405,113.61/438,565.68
  6. Step 6: Final answer
    x = 341,714.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.