Home / 415,346.58-623,010.93-115,819.18

Finding the Fourth Proportional to 415,346.58, 623,010.93 and 115,819.18

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Solution

The fourth proportional to 415,346.58, 623,010.93 and 115,819.18 is: 173,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,346.58 : 623,010.93 = 115,819.18 : x
  2. Step 2: Convert to fraction form
    415,346.58/623,010.93 = 115,819.18/x
  3. Step 3: Cross multiply
    415,346.58x = 623,010.93 × 115,819.18
  4. Step 4: Simplify right side
    415,346.58x = 72,156,613,051.79
  5. Step 5: Solve for x
    x = 72,156,613,051.79/415,346.58
  6. Step 6: Final answer
    x = 173,726.27

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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.