Home / 681,473.10-1,022,209.65-522,040.80

Finding the Fourth Proportional to 681,473.10, 1,022,209.65 and 522,040.80

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Solution

The fourth proportional to 681,473.10, 1,022,209.65 and 522,040.80 is: 783,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,473.10 : 1,022,209.65 = 522,040.80 : x
  2. Step 2: Convert to fraction form
    681,473.10/1,022,209.65 = 522,040.80/x
  3. Step 3: Cross multiply
    681,473.10x = 1,022,209.65 × 522,040.80
  4. Step 4: Simplify right side
    681,473.10x = 533,635,143,453.72
  5. Step 5: Solve for x
    x = 533,635,143,453.72/681,473.10
  6. Step 6: Final answer
    x = 783,061.20

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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.