Home / 1,253,099.20-1,729,230.54-680,127.08

Finding the Fourth Proportional to 1,253,099.20, 1,729,230.54 and 680,127.08

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Solution

The fourth proportional to 1,253,099.20, 1,729,230.54 and 680,127.08 is: 938,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,099.20 : 1,729,230.54 = 680,127.08 : x
  2. Step 2: Convert to fraction form
    1,253,099.20/1,729,230.54 = 680,127.08/x
  3. Step 3: Cross multiply
    1,253,099.20x = 1,729,230.54 × 680,127.08
  4. Step 4: Simplify right side
    1,253,099.20x = 1,176,096,517,817.02
  5. Step 5: Solve for x
    x = 1,176,096,517,817.02/1,253,099.20
  6. Step 6: Final answer
    x = 938,550.21

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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.