Home / 1,286,952.80-1,930,659.60-539,074.40

Finding the Fourth Proportional to 1,286,952.80, 1,930,659.60 and 539,074.40

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Solution

The fourth proportional to 1,286,952.80, 1,930,659.60 and 539,074.40 is: 808,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,952.80 : 1,930,659.60 = 539,074.40 : x
  2. Step 2: Convert to fraction form
    1,286,952.80/1,930,659.60 = 539,074.40/x
  3. Step 3: Cross multiply
    1,286,952.80x = 1,930,659.60 × 539,074.40
  4. Step 4: Simplify right side
    1,286,952.80x = 1,040,769,165,474.24
  5. Step 5: Solve for x
    x = 1,040,769,165,474.24/1,286,952.80
  6. Step 6: Final answer
    x = 808,708.11

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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.