Home / 1,690,902.28-2,535,616.14-639,541

Finding the Fourth Proportional to 1,690,902.28, 2,535,616.14 and 639,541

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Solution

The fourth proportional to 1,690,902.28, 2,535,616.14 and 639,541 is: 959,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,902.28 : 2,535,616.14 = 639,541 : x
  2. Step 2: Convert to fraction form
    1,690,902.28/2,535,616.14 = 639,541/x
  3. Step 3: Cross multiply
    1,690,902.28x = 2,535,616.14 × 639,541
  4. Step 4: Simplify right side
    1,690,902.28x = 1,621,630,481,791.74
  5. Step 5: Solve for x
    x = 1,621,630,481,791.74/1,690,902.28
  6. Step 6: Final answer
    x = 959,032.64

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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.