Home / 654,226.80-981,340.20-549,250.80

Finding the Fourth Proportional to 654,226.80, 981,340.20 and 549,250.80

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Solution

The fourth proportional to 654,226.80, 981,340.20 and 549,250.80 is: 823,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,226.80 : 981,340.20 = 549,250.80 : x
  2. Step 2: Convert to fraction form
    654,226.80/981,340.20 = 549,250.80/x
  3. Step 3: Cross multiply
    654,226.80x = 981,340.20 × 549,250.80
  4. Step 4: Simplify right side
    654,226.80x = 539,001,889,922.16
  5. Step 5: Solve for x
    x = 539,001,889,922.16/654,226.80
  6. Step 6: Final answer
    x = 823,876.20

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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.