Home / 1,722,678.72-2,584,561.16-811,824.39

Finding the Fourth Proportional to 1,722,678.72, 2,584,561.16 and 811,824.39

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Solution

The fourth proportional to 1,722,678.72, 2,584,561.16 and 811,824.39 is: 1,217,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,678.72 : 2,584,561.16 = 811,824.39 : x
  2. Step 2: Convert to fraction form
    1,722,678.72/2,584,561.16 = 811,824.39/x
  3. Step 3: Cross multiply
    1,722,678.72x = 2,584,561.16 × 811,824.39
  4. Step 4: Simplify right side
    1,722,678.72x = 2,098,209,787,134.69
  5. Step 5: Solve for x
    x = 2,098,209,787,134.69/1,722,678.72
  6. Step 6: Final answer
    x = 1,217,992.52

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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.