Home / 1,719,744.52-2,579,328.76-521,380.28

Finding the Fourth Proportional to 1,719,744.52, 2,579,328.76 and 521,380.28

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Solution

The fourth proportional to 1,719,744.52, 2,579,328.76 and 521,380.28 is: 781,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,744.52 : 2,579,328.76 = 521,380.28 : x
  2. Step 2: Convert to fraction form
    1,719,744.52/2,579,328.76 = 521,380.28/x
  3. Step 3: Cross multiply
    1,719,744.52x = 2,579,328.76 × 521,380.28
  4. Step 4: Simplify right side
    1,719,744.52x = 1,344,811,151,100.85
  5. Step 5: Solve for x
    x = 1,344,811,151,100.85/1,719,744.52
  6. Step 6: Final answer
    x = 781,983.10

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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.