Home / 1,669,856.40-2,304,402.68-905,909.88

Finding the Fourth Proportional to 1,669,856.40, 2,304,402.68 and 905,909.88

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Solution

The fourth proportional to 1,669,856.40, 2,304,402.68 and 905,909.88 is: 1,250,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,856.40 : 2,304,402.68 = 905,909.88 : x
  2. Step 2: Convert to fraction form
    1,669,856.40/2,304,402.68 = 905,909.88/x
  3. Step 3: Cross multiply
    1,669,856.40x = 2,304,402.68 × 905,909.88
  4. Step 4: Simplify right side
    1,669,856.40x = 2,087,581,155,310.48
  5. Step 5: Solve for x
    x = 2,087,581,155,310.48/1,669,856.40
  6. Step 6: Final answer
    x = 1,250,156.09

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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.