Home / 391,194.24-586,696.96-180,629.76

Finding the Fourth Proportional to 391,194.24, 586,696.96 and 180,629.76

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Solution

The fourth proportional to 391,194.24, 586,696.96 and 180,629.76 is: 270,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,194.24 : 586,696.96 = 180,629.76 : x
  2. Step 2: Convert to fraction form
    391,194.24/586,696.96 = 180,629.76/x
  3. Step 3: Cross multiply
    391,194.24x = 586,696.96 × 180,629.76
  4. Step 4: Simplify right side
    391,194.24x = 105,974,931,077.53
  5. Step 5: Solve for x
    x = 105,974,931,077.53/391,194.24
  6. Step 6: Final answer
    x = 270,901.05

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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.