Home / 856,107.20-1,181,427.45-474,133.62

Finding the Fourth Proportional to 856,107.20, 1,181,427.45 and 474,133.62

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Solution

The fourth proportional to 856,107.20, 1,181,427.45 and 474,133.62 is: 654,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,107.20 : 1,181,427.45 = 474,133.62 : x
  2. Step 2: Convert to fraction form
    856,107.20/1,181,427.45 = 474,133.62/x
  3. Step 3: Cross multiply
    856,107.20x = 1,181,427.45 × 474,133.62
  4. Step 4: Simplify right side
    856,107.20x = 560,154,473,635.87
  5. Step 5: Solve for x
    x = 560,154,473,635.87/856,107.20
  6. Step 6: Final answer
    x = 654,304.13

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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.