Home / 827,407.70-1,241,111.55-295,529.30

Finding the Fourth Proportional to 827,407.70, 1,241,111.55 and 295,529.30

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Solution

The fourth proportional to 827,407.70, 1,241,111.55 and 295,529.30 is: 443,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,407.70 : 1,241,111.55 = 295,529.30 : x
  2. Step 2: Convert to fraction form
    827,407.70/1,241,111.55 = 295,529.30/x
  3. Step 3: Cross multiply
    827,407.70x = 1,241,111.55 × 295,529.30
  4. Step 4: Simplify right side
    827,407.70x = 366,784,827,593.42
  5. Step 5: Solve for x
    x = 366,784,827,593.42/827,407.70
  6. Step 6: Final answer
    x = 443,293.95

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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.