Home / 861,082.79-1,290,980.77-594,081.41

Finding the Fourth Proportional to 861,082.79, 1,290,980.77 and 594,081.41

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Solution

The fourth proportional to 861,082.79, 1,290,980.77 and 594,081.41 is: 890,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,082.79 : 1,290,980.77 = 594,081.41 : x
  2. Step 2: Convert to fraction form
    861,082.79/1,290,980.77 = 594,081.41/x
  3. Step 3: Cross multiply
    861,082.79x = 1,290,980.77 × 594,081.41
  4. Step 4: Simplify right side
    861,082.79x = 766,947,668,184.38
  5. Step 5: Solve for x
    x = 766,947,668,184.38/861,082.79
  6. Step 6: Final answer
    x = 890,678.20

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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.