Home / 391,197.15-586,577.03-180,574.47

Finding the Fourth Proportional to 391,197.15, 586,577.03 and 180,574.47

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Solution

The fourth proportional to 391,197.15, 586,577.03 and 180,574.47 is: 270,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,197.15 : 586,577.03 = 180,574.47 : x
  2. Step 2: Convert to fraction form
    391,197.15/586,577.03 = 180,574.47/x
  3. Step 3: Cross multiply
    391,197.15x = 586,577.03 × 180,574.47
  4. Step 4: Simplify right side
    391,197.15x = 105,920,835,403.55
  5. Step 5: Solve for x
    x = 105,920,835,403.55/391,197.15
  6. Step 6: Final answer
    x = 270,760.75

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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.