Home / 527,029.60-791,062.80-261,090.40

Finding the Fourth Proportional to 527,029.60, 791,062.80 and 261,090.40

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Solution

The fourth proportional to 527,029.60, 791,062.80 and 261,090.40 is: 391,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,029.60 : 791,062.80 = 261,090.40 : x
  2. Step 2: Convert to fraction form
    527,029.60/791,062.80 = 261,090.40/x
  3. Step 3: Cross multiply
    527,029.60x = 791,062.80 × 261,090.40
  4. Step 4: Simplify right side
    527,029.60x = 206,538,902,877.12
  5. Step 5: Solve for x
    x = 206,538,902,877.12/527,029.60
  6. Step 6: Final answer
    x = 391,892.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.