Home / 542,972.24-749,300.82-301,291.64

Finding the Fourth Proportional to 542,972.24, 749,300.82 and 301,291.64

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Solution

The fourth proportional to 542,972.24, 749,300.82 and 301,291.64 is: 415,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,972.24 : 749,300.82 = 301,291.64 : x
  2. Step 2: Convert to fraction form
    542,972.24/749,300.82 = 301,291.64/x
  3. Step 3: Cross multiply
    542,972.24x = 749,300.82 × 301,291.64
  4. Step 4: Simplify right side
    542,972.24x = 225,758,072,911.15
  5. Step 5: Solve for x
    x = 225,758,072,911.15/542,972.24
  6. Step 6: Final answer
    x = 415,781.98

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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.