Home / 1,373,077.70-2,059,616.55-426,544.10

Finding the Fourth Proportional to 1,373,077.70, 2,059,616.55 and 426,544.10

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Solution

The fourth proportional to 1,373,077.70, 2,059,616.55 and 426,544.10 is: 639,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,077.70 : 2,059,616.55 = 426,544.10 : x
  2. Step 2: Convert to fraction form
    1,373,077.70/2,059,616.55 = 426,544.10/x
  3. Step 3: Cross multiply
    1,373,077.70x = 2,059,616.55 × 426,544.10
  4. Step 4: Simplify right side
    1,373,077.70x = 878,517,287,664.86
  5. Step 5: Solve for x
    x = 878,517,287,664.86/1,373,077.70
  6. Step 6: Final answer
    x = 639,816.15

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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.