Home / 515,929.60-773,635.20-235,129.60

Finding the Fourth Proportional to 515,929.60, 773,635.20 and 235,129.60

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Solution

The fourth proportional to 515,929.60, 773,635.20 and 235,129.60 is: 352,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,929.60 : 773,635.20 = 235,129.60 : x
  2. Step 2: Convert to fraction form
    515,929.60/773,635.20 = 235,129.60/x
  3. Step 3: Cross multiply
    515,929.60x = 773,635.20 × 235,129.60
  4. Step 4: Simplify right side
    515,929.60x = 181,904,535,121.92
  5. Step 5: Solve for x
    x = 181,904,535,121.92/515,929.60
  6. Step 6: Final answer
    x = 352,576.27

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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.