Home / 819,579.88-1,131,034.20-452,099.20

Finding the Fourth Proportional to 819,579.88, 1,131,034.20 and 452,099.20

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Solution

The fourth proportional to 819,579.88, 1,131,034.20 and 452,099.20 is: 623,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,579.88 : 1,131,034.20 = 452,099.20 : x
  2. Step 2: Convert to fraction form
    819,579.88/1,131,034.20 = 452,099.20/x
  3. Step 3: Cross multiply
    819,579.88x = 1,131,034.20 × 452,099.20
  4. Step 4: Simplify right side
    819,579.88x = 511,339,656,992.64
  5. Step 5: Solve for x
    x = 511,339,656,992.64/819,579.88
  6. Step 6: Final answer
    x = 623,904.60

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Double scale
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1.5x scale

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.