Home / 809,305.59-1,116,836.28-441,781.26

Finding the Fourth Proportional to 809,305.59, 1,116,836.28 and 441,781.26

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Solution

The fourth proportional to 809,305.59, 1,116,836.28 and 441,781.26 is: 609,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,305.59 : 1,116,836.28 = 441,781.26 : x
  2. Step 2: Convert to fraction form
    809,305.59/1,116,836.28 = 441,781.26/x
  3. Step 3: Cross multiply
    809,305.59x = 1,116,836.28 × 441,781.26
  4. Step 4: Simplify right side
    809,305.59x = 493,397,338,992.11
  5. Step 5: Solve for x
    x = 493,397,338,992.11/809,305.59
  6. Step 6: Final answer
    x = 609,655.17

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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.