Home / 825,565.92-1,139,283.02-481,638.30

Finding the Fourth Proportional to 825,565.92, 1,139,283.02 and 481,638.30

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Solution

The fourth proportional to 825,565.92, 1,139,283.02 and 481,638.30 is: 664,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,565.92 : 1,139,283.02 = 481,638.30 : x
  2. Step 2: Convert to fraction form
    825,565.92/1,139,283.02 = 481,638.30/x
  3. Step 3: Cross multiply
    825,565.92x = 1,139,283.02 × 481,638.30
  4. Step 4: Simplify right side
    825,565.92x = 548,722,340,311.92
  5. Step 5: Solve for x
    x = 548,722,340,311.92/825,565.92
  6. Step 6: Final answer
    x = 664,662.05

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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.