Home / 856,141.62-1,181,485.35-474,174.78

Finding the Fourth Proportional to 856,141.62, 1,181,485.35 and 474,174.78

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Solution

The fourth proportional to 856,141.62, 1,181,485.35 and 474,174.78 is: 654,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,141.62 : 1,181,485.35 = 474,174.78 : x
  2. Step 2: Convert to fraction form
    856,141.62/1,181,485.35 = 474,174.78/x
  3. Step 3: Cross multiply
    856,141.62x = 1,181,485.35 × 474,174.78
  4. Step 4: Simplify right side
    856,141.62x = 560,230,555,909.47
  5. Step 5: Solve for x
    x = 560,230,555,909.47/856,141.62
  6. Step 6: Final answer
    x = 654,366.69

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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.