Home / 581,081.11-801,912.49-322,963.20

Finding the Fourth Proportional to 581,081.11, 801,912.49 and 322,963.20

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Solution

The fourth proportional to 581,081.11, 801,912.49 and 322,963.20 is: 445,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,081.11 : 801,912.49 = 322,963.20 : x
  2. Step 2: Convert to fraction form
    581,081.11/801,912.49 = 322,963.20/x
  3. Step 3: Cross multiply
    581,081.11x = 801,912.49 × 322,963.20
  4. Step 4: Simplify right side
    581,081.11x = 258,988,223,082.96
  5. Step 5: Solve for x
    x = 258,988,223,082.96/581,081.11
  6. Step 6: Final answer
    x = 445,700.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.