Home / 1,419,966.20-1,959,564.04-808,165.56

Finding the Fourth Proportional to 1,419,966.20, 1,959,564.04 and 808,165.56

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Solution

The fourth proportional to 1,419,966.20, 1,959,564.04 and 808,165.56 is: 1,115,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,966.20 : 1,959,564.04 = 808,165.56 : x
  2. Step 2: Convert to fraction form
    1,419,966.20/1,959,564.04 = 808,165.56/x
  3. Step 3: Cross multiply
    1,419,966.20x = 1,959,564.04 × 808,165.56
  4. Step 4: Simplify right side
    1,419,966.20x = 1,583,652,169,742.46
  5. Step 5: Solve for x
    x = 1,583,652,169,742.46/1,419,966.20
  6. Step 6: Final answer
    x = 1,115,274.55

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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.