Home / 1,719,362.40-2,579,065.20-521,296.80

Finding the Fourth Proportional to 1,719,362.40, 2,579,065.20 and 521,296.80

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Solution

The fourth proportional to 1,719,362.40, 2,579,065.20 and 521,296.80 is: 781,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,362.40 : 2,579,065.20 = 521,296.80 : x
  2. Step 2: Convert to fraction form
    1,719,362.40/2,579,065.20 = 521,296.80/x
  3. Step 3: Cross multiply
    1,719,362.40x = 2,579,065.20 × 521,296.80
  4. Step 4: Simplify right side
    1,719,362.40x = 1,344,458,435,751.36
  5. Step 5: Solve for x
    x = 1,344,458,435,751.36/1,719,362.40
  6. Step 6: Final answer
    x = 781,951.75

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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.