Home / 885,163.28-1,221,519.76-503,190.16

Finding the Fourth Proportional to 885,163.28, 1,221,519.76 and 503,190.16

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Solution

The fourth proportional to 885,163.28, 1,221,519.76 and 503,190.16 is: 694,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,163.28 : 1,221,519.76 = 503,190.16 : x
  2. Step 2: Convert to fraction form
    885,163.28/1,221,519.76 = 503,190.16/x
  3. Step 3: Cross multiply
    885,163.28x = 1,221,519.76 × 503,190.16
  4. Step 4: Simplify right side
    885,163.28x = 614,656,723,477.56
  5. Step 5: Solve for x
    x = 614,656,723,477.56/885,163.28
  6. Step 6: Final answer
    x = 694,399.26

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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.