Home / 391,022.68-586,544.21-124,782.83

Finding the Fourth Proportional to 391,022.68, 586,544.21 and 124,782.83

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Solution

The fourth proportional to 391,022.68, 586,544.21 and 124,782.83 is: 187,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,022.68 : 586,544.21 = 124,782.83 : x
  2. Step 2: Convert to fraction form
    391,022.68/586,544.21 = 124,782.83/x
  3. Step 3: Cross multiply
    391,022.68x = 586,544.21 × 124,782.83
  4. Step 4: Simplify right side
    391,022.68x = 73,190,645,820.00
  5. Step 5: Solve for x
    x = 73,190,645,820.00/391,022.68
  6. Step 6: Final answer
    x = 187,177.50

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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.