Home / 807,781.80-1,114,724.38-440,262.24

Finding the Fourth Proportional to 807,781.80, 1,114,724.38 and 440,262.24

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Solution

The fourth proportional to 807,781.80, 1,114,724.38 and 440,262.24 is: 607,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,781.80 : 1,114,724.38 = 440,262.24 : x
  2. Step 2: Convert to fraction form
    807,781.80/1,114,724.38 = 440,262.24/x
  3. Step 3: Cross multiply
    807,781.80x = 1,114,724.38 × 440,262.24
  4. Step 4: Simplify right side
    807,781.80x = 490,771,052,521.41
  5. Step 5: Solve for x
    x = 490,771,052,521.41/807,781.80
  6. Step 6: Final answer
    x = 607,553.99

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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.