Home / 391,019.36-586,592.30-121,084.04

Finding the Fourth Proportional to 391,019.36, 586,592.30 and 121,084.04

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Solution

The fourth proportional to 391,019.36, 586,592.30 and 121,084.04 is: 181,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,019.36 : 586,592.30 = 121,084.04 : x
  2. Step 2: Convert to fraction form
    391,019.36/586,592.30 = 121,084.04/x
  3. Step 3: Cross multiply
    391,019.36x = 586,592.30 × 121,084.04
  4. Step 4: Simplify right side
    391,019.36x = 71,026,967,286.08
  5. Step 5: Solve for x
    x = 71,026,967,286.08/391,019.36
  6. Step 6: Final answer
    x = 181,645.66

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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.