Home / 528,035.30-791,534.55-261,836.90

Finding the Fourth Proportional to 528,035.30, 791,534.55 and 261,836.90

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Solution

The fourth proportional to 528,035.30, 791,534.55 and 261,836.90 is: 392,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,035.30 : 791,534.55 = 261,836.90 : x
  2. Step 2: Convert to fraction form
    528,035.30/791,534.55 = 261,836.90/x
  3. Step 3: Cross multiply
    528,035.30x = 791,534.55 × 261,836.90
  4. Step 4: Simplify right side
    528,035.30x = 207,252,952,814.90
  5. Step 5: Solve for x
    x = 207,252,952,814.90/528,035.30
  6. Step 6: Final answer
    x = 392,498.29

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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.