Home / 1,313,718.60-1,970,577.90-1,296,003.90

Finding the Fourth Proportional to 1,313,718.60, 1,970,577.90 and 1,296,003.90

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Solution

The fourth proportional to 1,313,718.60, 1,970,577.90 and 1,296,003.90 is: 1,944,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,718.60 : 1,970,577.90 = 1,296,003.90 : x
  2. Step 2: Convert to fraction form
    1,313,718.60/1,970,577.90 = 1,296,003.90/x
  3. Step 3: Cross multiply
    1,313,718.60x = 1,970,577.90 × 1,296,003.90
  4. Step 4: Simplify right side
    1,313,718.60x = 2,553,876,643,653.81
  5. Step 5: Solve for x
    x = 2,553,876,643,653.81/1,313,718.60
  6. Step 6: Final answer
    x = 1,944,005.85

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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.