Home / 803,863.08-1,109,261.12-441,286.42

Finding the Fourth Proportional to 803,863.08, 1,109,261.12 and 441,286.42

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Solution

The fourth proportional to 803,863.08, 1,109,261.12 and 441,286.42 is: 608,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,863.08 : 1,109,261.12 = 441,286.42 : x
  2. Step 2: Convert to fraction form
    803,863.08/1,109,261.12 = 441,286.42/x
  3. Step 3: Cross multiply
    803,863.08x = 1,109,261.12 × 441,286.42
  4. Step 4: Simplify right side
    803,863.08x = 489,501,868,489.99
  5. Step 5: Solve for x
    x = 489,501,868,489.99/803,863.08
  6. Step 6: Final answer
    x = 608,936.87

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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.