Home / 1,275,519.05-1,760,216.10-702,559.21

Finding the Fourth Proportional to 1,275,519.05, 1,760,216.10 and 702,559.21

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Solution

The fourth proportional to 1,275,519.05, 1,760,216.10 and 702,559.21 is: 969,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,519.05 : 1,760,216.10 = 702,559.21 : x
  2. Step 2: Convert to fraction form
    1,275,519.05/1,760,216.10 = 702,559.21/x
  3. Step 3: Cross multiply
    1,275,519.05x = 1,760,216.10 × 702,559.21
  4. Step 4: Simplify right side
    1,275,519.05x = 1,236,656,023,844.20
  5. Step 5: Solve for x
    x = 1,236,656,023,844.20/1,275,519.05
  6. Step 6: Final answer
    x = 969,531.60

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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.