Home / 543,148.38-749,522.55-301,441.02

Finding the Fourth Proportional to 543,148.38, 749,522.55 and 301,441.02

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Solution

The fourth proportional to 543,148.38, 749,522.55 and 301,441.02 is: 415,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,148.38 : 749,522.55 = 301,441.02 : x
  2. Step 2: Convert to fraction form
    543,148.38/749,522.55 = 301,441.02/x
  3. Step 3: Cross multiply
    543,148.38x = 749,522.55 × 301,441.02
  4. Step 4: Simplify right side
    543,148.38x = 225,936,841,985.00
  5. Step 5: Solve for x
    x = 225,936,841,985.00/543,148.38
  6. Step 6: Final answer
    x = 415,976.28

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.