Home / 827,151.40-1,240,727.10-294,689.80

Finding the Fourth Proportional to 827,151.40, 1,240,727.10 and 294,689.80

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Solution

The fourth proportional to 827,151.40, 1,240,727.10 and 294,689.80 is: 442,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,151.40 : 1,240,727.10 = 294,689.80 : x
  2. Step 2: Convert to fraction form
    827,151.40/1,240,727.10 = 294,689.80/x
  3. Step 3: Cross multiply
    827,151.40x = 1,240,727.10 × 294,689.80
  4. Step 4: Simplify right side
    827,151.40x = 365,629,620,953.58
  5. Step 5: Solve for x
    x = 365,629,620,953.58/827,151.40
  6. Step 6: Final answer
    x = 442,034.70

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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.