Home / 543,175.43-749,547.14-301,458.15

Finding the Fourth Proportional to 543,175.43, 749,547.14 and 301,458.15

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Solution

The fourth proportional to 543,175.43, 749,547.14 and 301,458.15 is: 415,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,175.43 : 749,547.14 = 301,458.15 : x
  2. Step 2: Convert to fraction form
    543,175.43/749,547.14 = 301,458.15/x
  3. Step 3: Cross multiply
    543,175.43x = 749,547.14 × 301,458.15
  4. Step 4: Simplify right side
    543,175.43x = 225,957,092,654.90
  5. Step 5: Solve for x
    x = 225,957,092,654.90/543,175.43
  6. Step 6: Final answer
    x = 415,992.85

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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.