Home / 415,347.02-623,011.58-115,819.62

Finding the Fourth Proportional to 415,347.02, 623,011.58 and 115,819.62

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Solution

The fourth proportional to 415,347.02, 623,011.58 and 115,819.62 is: 173,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,347.02 : 623,011.58 = 115,819.62 : x
  2. Step 2: Convert to fraction form
    415,347.02/623,011.58 = 115,819.62/x
  3. Step 3: Cross multiply
    415,347.02x = 623,011.58 × 115,819.62
  4. Step 4: Simplify right side
    415,347.02x = 72,156,964,451.20
  5. Step 5: Solve for x
    x = 72,156,964,451.20/415,347.02
  6. Step 6: Final answer
    x = 173,726.93

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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.