Home / 558,655.45-838,032.59-159,287.65

Finding the Fourth Proportional to 558,655.45, 838,032.59 and 159,287.65

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Solution

The fourth proportional to 558,655.45, 838,032.59 and 159,287.65 is: 238,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,655.45 : 838,032.59 = 159,287.65 : x
  2. Step 2: Convert to fraction form
    558,655.45/838,032.59 = 159,287.65/x
  3. Step 3: Cross multiply
    558,655.45x = 838,032.59 × 159,287.65
  4. Step 4: Simplify right side
    558,655.45x = 133,488,236,897.91
  5. Step 5: Solve for x
    x = 133,488,236,897.91/558,655.45
  6. Step 6: Final answer
    x = 238,945.56

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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.