Home / 391,026.18-586,549.45-124,786.34

Finding the Fourth Proportional to 391,026.18, 586,549.45 and 124,786.34

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Solution

The fourth proportional to 391,026.18, 586,549.45 and 124,786.34 is: 187,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,026.18 : 586,549.45 = 124,786.34 : x
  2. Step 2: Convert to fraction form
    391,026.18/586,549.45 = 124,786.34/x
  3. Step 3: Cross multiply
    391,026.18x = 586,549.45 × 124,786.34
  4. Step 4: Simplify right side
    391,026.18x = 73,193,359,094.51
  5. Step 5: Solve for x
    x = 73,193,359,094.51/391,026.18
  6. Step 6: Final answer
    x = 187,182.76

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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.