Home / 827,407.40-1,241,111.10-738,177.80

Finding the Fourth Proportional to 827,407.40, 1,241,111.10 and 738,177.80

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Solution

The fourth proportional to 827,407.40, 1,241,111.10 and 738,177.80 is: 1,107,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,407.40 : 1,241,111.10 = 738,177.80 : x
  2. Step 2: Convert to fraction form
    827,407.40/1,241,111.10 = 738,177.80/x
  3. Step 3: Cross multiply
    827,407.40x = 1,241,111.10 × 738,177.80
  4. Step 4: Simplify right side
    827,407.40x = 916,160,661,353.58
  5. Step 5: Solve for x
    x = 916,160,661,353.58/827,407.40
  6. Step 6: Final answer
    x = 1,107,266.70

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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.