Home / 1,719,770.08-2,579,367.12-521,405.92

Finding the Fourth Proportional to 1,719,770.08, 2,579,367.12 and 521,405.92

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Solution

The fourth proportional to 1,719,770.08, 2,579,367.12 and 521,405.92 is: 782,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,770.08 : 2,579,367.12 = 521,405.92 : x
  2. Step 2: Convert to fraction form
    1,719,770.08/2,579,367.12 = 521,405.92/x
  3. Step 3: Cross multiply
    1,719,770.08x = 2,579,367.12 × 521,405.92
  4. Step 4: Simplify right side
    1,719,770.08x = 1,344,897,286,221.35
  5. Step 5: Solve for x
    x = 1,344,897,286,221.35/1,719,770.08
  6. Step 6: Final answer
    x = 782,021.56

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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.