Home / 1,690,227.36-2,536,337.40-626,016.72

Finding the Fourth Proportional to 1,690,227.36, 2,536,337.40 and 626,016.72

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Solution

The fourth proportional to 1,690,227.36, 2,536,337.40 and 626,016.72 is: 939,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,227.36 : 2,536,337.40 = 626,016.72 : x
  2. Step 2: Convert to fraction form
    1,690,227.36/2,536,337.40 = 626,016.72/x
  3. Step 3: Cross multiply
    1,690,227.36x = 2,536,337.40 × 626,016.72
  4. Step 4: Simplify right side
    1,690,227.36x = 1,587,789,619,961.33
  5. Step 5: Solve for x
    x = 1,587,789,619,961.33/1,690,227.36
  6. Step 6: Final answer
    x = 939,394.11

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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.