Home / 1,719,747.71-2,579,627.78-521,680.49

Finding the Fourth Proportional to 1,719,747.71, 2,579,627.78 and 521,680.49

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Solution

The fourth proportional to 1,719,747.71, 2,579,627.78 and 521,680.49 is: 782,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,747.71 : 2,579,627.78 = 521,680.49 : x
  2. Step 2: Convert to fraction form
    1,719,747.71/2,579,627.78 = 521,680.49/x
  3. Step 3: Cross multiply
    1,719,747.71x = 2,579,627.78 × 521,680.49
  4. Step 4: Simplify right side
    1,719,747.71x = 1,345,741,484,288.01
  5. Step 5: Solve for x
    x = 1,345,741,484,288.01/1,719,747.71
  6. Step 6: Final answer
    x = 782,522.62

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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.