Home / 856,162.80-1,181,524.32-469,015.20

Finding the Fourth Proportional to 856,162.80, 1,181,524.32 and 469,015.20

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Solution

The fourth proportional to 856,162.80, 1,181,524.32 and 469,015.20 is: 647,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,162.80 : 1,181,524.32 = 469,015.20 : x
  2. Step 2: Convert to fraction form
    856,162.80/1,181,524.32 = 469,015.20/x
  3. Step 3: Cross multiply
    856,162.80x = 1,181,524.32 × 469,015.20
  4. Step 4: Simplify right side
    856,162.80x = 554,152,865,249.66
  5. Step 5: Solve for x
    x = 554,152,865,249.66/856,162.80
  6. Step 6: Final answer
    x = 647,251.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.