Home / 853,445.55-1,280,798.22-404,165.55

Finding the Fourth Proportional to 853,445.55, 1,280,798.22 and 404,165.55

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Solution

The fourth proportional to 853,445.55, 1,280,798.22 and 404,165.55 is: 606,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,445.55 : 1,280,798.22 = 404,165.55 : x
  2. Step 2: Convert to fraction form
    853,445.55/1,280,798.22 = 404,165.55/x
  3. Step 3: Cross multiply
    853,445.55x = 1,280,798.22 × 404,165.55
  4. Step 4: Simplify right side
    853,445.55x = 517,654,517,025.32
  5. Step 5: Solve for x
    x = 517,654,517,025.32/853,445.55
  6. Step 6: Final answer
    x = 606,546.62

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1.5x scale

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.