Home / 838,234.17-1,257,362.79-239,195.15

Finding the Fourth Proportional to 838,234.17, 1,257,362.79 and 239,195.15

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Solution

The fourth proportional to 838,234.17, 1,257,362.79 and 239,195.15 is: 358,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,234.17 : 1,257,362.79 = 239,195.15 : x
  2. Step 2: Convert to fraction form
    838,234.17/1,257,362.79 = 239,195.15/x
  3. Step 3: Cross multiply
    838,234.17x = 1,257,362.79 × 239,195.15
  4. Step 4: Simplify right side
    838,234.17x = 300,755,074,871.66
  5. Step 5: Solve for x
    x = 300,755,074,871.66/838,234.17
  6. Step 6: Final answer
    x = 358,796.01

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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.