Home / 827,618.97-1,142,216.18-465,034.92

Finding the Fourth Proportional to 827,618.97, 1,142,216.18 and 465,034.92

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Solution

The fourth proportional to 827,618.97, 1,142,216.18 and 465,034.92 is: 641,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,618.97 : 1,142,216.18 = 465,034.92 : x
  2. Step 2: Convert to fraction form
    827,618.97/1,142,216.18 = 465,034.92/x
  3. Step 3: Cross multiply
    827,618.97x = 1,142,216.18 × 465,034.92
  4. Step 4: Simplify right side
    827,618.97x = 531,170,414,065.19
  5. Step 5: Solve for x
    x = 531,170,414,065.19/827,618.97
  6. Step 6: Final answer
    x = 641,805.51

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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.