Home / 572,844.78-790,559.85-318,194.16

Finding the Fourth Proportional to 572,844.78, 790,559.85 and 318,194.16

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Solution

The fourth proportional to 572,844.78, 790,559.85 and 318,194.16 is: 439,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,844.78 : 790,559.85 = 318,194.16 : x
  2. Step 2: Convert to fraction form
    572,844.78/790,559.85 = 318,194.16/x
  3. Step 3: Cross multiply
    572,844.78x = 790,559.85 × 318,194.16
  4. Step 4: Simplify right side
    572,844.78x = 251,551,527,400.48
  5. Step 5: Solve for x
    x = 251,551,527,400.48/572,844.78
  6. Step 6: Final answer
    x = 439,126.86

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Double scale
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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.