Home / 1,131,453.96-1,561,275.56-647,990.27

Finding the Fourth Proportional to 1,131,453.96, 1,561,275.56 and 647,990.27

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Solution

The fourth proportional to 1,131,453.96, 1,561,275.56 and 647,990.27 is: 894,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,453.96 : 1,561,275.56 = 647,990.27 : x
  2. Step 2: Convert to fraction form
    1,131,453.96/1,561,275.56 = 647,990.27/x
  3. Step 3: Cross multiply
    1,131,453.96x = 1,561,275.56 × 647,990.27
  4. Step 4: Simplify right side
    1,131,453.96x = 1,011,691,360,622.47
  5. Step 5: Solve for x
    x = 1,011,691,360,622.47/1,131,453.96
  6. Step 6: Final answer
    x = 894,151.59

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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.