Home / 775,873.59-1,070,545.11-453,521.33

Finding the Fourth Proportional to 775,873.59, 1,070,545.11 and 453,521.33

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Solution

The fourth proportional to 775,873.59, 1,070,545.11 and 453,521.33 is: 625,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,873.59 : 1,070,545.11 = 453,521.33 : x
  2. Step 2: Convert to fraction form
    775,873.59/1,070,545.11 = 453,521.33/x
  3. Step 3: Cross multiply
    775,873.59x = 1,070,545.11 × 453,521.33
  4. Step 4: Simplify right side
    775,873.59x = 485,515,036,759.47
  5. Step 5: Solve for x
    x = 485,515,036,759.47/775,873.59
  6. Step 6: Final answer
    x = 625,765.64

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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.