Home / 1,419,731.28-1,959,400.98-808,032.78

Finding the Fourth Proportional to 1,419,731.28, 1,959,400.98 and 808,032.78

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Solution

The fourth proportional to 1,419,731.28, 1,959,400.98 and 808,032.78 is: 1,115,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,731.28 : 1,959,400.98 = 808,032.78 : x
  2. Step 2: Convert to fraction form
    1,419,731.28/1,959,400.98 = 808,032.78/x
  3. Step 3: Cross multiply
    1,419,731.28x = 1,959,400.98 × 808,032.78
  4. Step 4: Simplify right side
    1,419,731.28x = 1,583,260,221,004.12
  5. Step 5: Solve for x
    x = 1,583,260,221,004.12/1,419,731.28
  6. Step 6: Final answer
    x = 1,115,183.02

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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.