Home / 1,427,650.29-1,970,212.55-783,097.65

Finding the Fourth Proportional to 1,427,650.29, 1,970,212.55 and 783,097.65

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Solution

The fourth proportional to 1,427,650.29, 1,970,212.55 and 783,097.65 is: 1,080,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,650.29 : 1,970,212.55 = 783,097.65 : x
  2. Step 2: Convert to fraction form
    1,427,650.29/1,970,212.55 = 783,097.65/x
  3. Step 3: Cross multiply
    1,427,650.29x = 1,970,212.55 × 783,097.65
  4. Step 4: Simplify right side
    1,427,650.29x = 1,542,868,813,990.02
  5. Step 5: Solve for x
    x = 1,542,868,813,990.02/1,427,650.29
  6. Step 6: Final answer
    x = 1,080,705.01

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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.