Home / 407,042.40-561,754.08-237,272.96

Finding the Fourth Proportional to 407,042.40, 561,754.08 and 237,272.96

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Solution

The fourth proportional to 407,042.40, 561,754.08 and 237,272.96 is: 327,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,042.40 : 561,754.08 = 237,272.96 : x
  2. Step 2: Convert to fraction form
    407,042.40/561,754.08 = 237,272.96/x
  3. Step 3: Cross multiply
    407,042.40x = 561,754.08 × 237,272.96
  4. Step 4: Simplify right side
    407,042.40x = 133,289,053,353.68
  5. Step 5: Solve for x
    x = 133,289,053,353.68/407,042.40
  6. Step 6: Final answer
    x = 327,457.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.