Home / 1,055,356.20-1,584,200.70-656,447.40

Finding the Fourth Proportional to 1,055,356.20, 1,584,200.70 and 656,447.40

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Solution

The fourth proportional to 1,055,356.20, 1,584,200.70 and 656,447.40 is: 985,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,356.20 : 1,584,200.70 = 656,447.40 : x
  2. Step 2: Convert to fraction form
    1,055,356.20/1,584,200.70 = 656,447.40/x
  3. Step 3: Cross multiply
    1,055,356.20x = 1,584,200.70 × 656,447.40
  4. Step 4: Simplify right side
    1,055,356.20x = 1,039,944,430,593.18
  5. Step 5: Solve for x
    x = 1,039,944,430,593.18/1,055,356.20
  6. Step 6: Final answer
    x = 985,396.62

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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.