Home / 822,143.22-1,134,477.91-516,121.78

Finding the Fourth Proportional to 822,143.22, 1,134,477.91 and 516,121.78

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Solution

The fourth proportional to 822,143.22, 1,134,477.91 and 516,121.78 is: 712,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,143.22 : 1,134,477.91 = 516,121.78 : x
  2. Step 2: Convert to fraction form
    822,143.22/1,134,477.91 = 516,121.78/x
  3. Step 3: Cross multiply
    822,143.22x = 1,134,477.91 × 516,121.78
  4. Step 4: Simplify right side
    822,143.22x = 585,528,758,279.88
  5. Step 5: Solve for x
    x = 585,528,758,279.88/822,143.22
  6. Step 6: Final answer
    x = 712,198.00

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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.