Home / 704,921.80-1,057,382.70-231,622.60

Finding the Fourth Proportional to 704,921.80, 1,057,382.70 and 231,622.60

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Solution

The fourth proportional to 704,921.80, 1,057,382.70 and 231,622.60 is: 347,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,921.80 : 1,057,382.70 = 231,622.60 : x
  2. Step 2: Convert to fraction form
    704,921.80/1,057,382.70 = 231,622.60/x
  3. Step 3: Cross multiply
    704,921.80x = 1,057,382.70 × 231,622.60
  4. Step 4: Simplify right side
    704,921.80x = 244,913,730,169.02
  5. Step 5: Solve for x
    x = 244,913,730,169.02/704,921.80
  6. Step 6: Final answer
    x = 347,433.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.