Home / 681,875.20-1,022,812.80-622,892.80

Finding the Fourth Proportional to 681,875.20, 1,022,812.80 and 622,892.80

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Solution

The fourth proportional to 681,875.20, 1,022,812.80 and 622,892.80 is: 934,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,875.20 : 1,022,812.80 = 622,892.80 : x
  2. Step 2: Convert to fraction form
    681,875.20/1,022,812.80 = 622,892.80/x
  3. Step 3: Cross multiply
    681,875.20x = 1,022,812.80 × 622,892.80
  4. Step 4: Simplify right side
    681,875.20x = 637,102,728,867.84
  5. Step 5: Solve for x
    x = 637,102,728,867.84/681,875.20
  6. Step 6: Final answer
    x = 934,339.20

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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.