Home / 418,543.62-577,578.11-237,272.30

Finding the Fourth Proportional to 418,543.62, 577,578.11 and 237,272.30

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Solution

The fourth proportional to 418,543.62, 577,578.11 and 237,272.30 is: 327,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,543.62 : 577,578.11 = 237,272.30 : x
  2. Step 2: Convert to fraction form
    418,543.62/577,578.11 = 237,272.30/x
  3. Step 3: Cross multiply
    418,543.62x = 577,578.11 × 237,272.30
  4. Step 4: Simplify right side
    418,543.62x = 137,043,286,589.35
  5. Step 5: Solve for x
    x = 137,043,286,589.35/418,543.62
  6. Step 6: Final answer
    x = 327,428.92

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1.5x scale

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.