Home / 856,155.32-1,181,479.85-474,173.90

Finding the Fourth Proportional to 856,155.32, 1,181,479.85 and 474,173.90

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Solution

The fourth proportional to 856,155.32, 1,181,479.85 and 474,173.90 is: 654,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,155.32 : 1,181,479.85 = 474,173.90 : x
  2. Step 2: Convert to fraction form
    856,155.32/1,181,479.85 = 474,173.90/x
  3. Step 3: Cross multiply
    856,155.32x = 1,181,479.85 × 474,173.90
  4. Step 4: Simplify right side
    856,155.32x = 560,226,902,338.52
  5. Step 5: Solve for x
    x = 560,226,902,338.52/856,155.32
  6. Step 6: Final answer
    x = 654,351.95

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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.