Home / 1,719,124.90-2,578,687.35-439,729.90

Finding the Fourth Proportional to 1,719,124.90, 2,578,687.35 and 439,729.90

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Solution

The fourth proportional to 1,719,124.90, 2,578,687.35 and 439,729.90 is: 659,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,124.90 : 2,578,687.35 = 439,729.90 : x
  2. Step 2: Convert to fraction form
    1,719,124.90/2,578,687.35 = 439,729.90/x
  3. Step 3: Cross multiply
    1,719,124.90x = 2,578,687.35 × 439,729.90
  4. Step 4: Simplify right side
    1,719,124.90x = 1,133,925,930,546.77
  5. Step 5: Solve for x
    x = 1,133,925,930,546.77/1,719,124.90
  6. Step 6: Final answer
    x = 659,594.85

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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.