Home / 827,714.70-1,241,572.05-329,078.70

Finding the Fourth Proportional to 827,714.70, 1,241,572.05 and 329,078.70

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Solution

The fourth proportional to 827,714.70, 1,241,572.05 and 329,078.70 is: 493,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,714.70 : 1,241,572.05 = 329,078.70 : x
  2. Step 2: Convert to fraction form
    827,714.70/1,241,572.05 = 329,078.70/x
  3. Step 3: Cross multiply
    827,714.70x = 1,241,572.05 × 329,078.70
  4. Step 4: Simplify right side
    827,714.70x = 408,574,916,170.34
  5. Step 5: Solve for x
    x = 408,574,916,170.34/827,714.70
  6. Step 6: Final answer
    x = 493,618.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.