Home / 856,163.80-1,181,525.70-469,016.20

Finding the Fourth Proportional to 856,163.80, 1,181,525.70 and 469,016.20

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Solution

The fourth proportional to 856,163.80, 1,181,525.70 and 469,016.20 is: 647,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,163.80 : 1,181,525.70 = 469,016.20 : x
  2. Step 2: Convert to fraction form
    856,163.80/1,181,525.70 = 469,016.20/x
  3. Step 3: Cross multiply
    856,163.80x = 1,181,525.70 × 469,016.20
  4. Step 4: Simplify right side
    856,163.80x = 554,154,694,016.34
  5. Step 5: Solve for x
    x = 554,154,694,016.34/856,163.80
  6. Step 6: Final answer
    x = 647,253.12

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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.