Home / 1,286,951.80-1,930,658.10-539,073.40

Finding the Fourth Proportional to 1,286,951.80, 1,930,658.10 and 539,073.40

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Solution

The fourth proportional to 1,286,951.80, 1,930,658.10 and 539,073.40 is: 808,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,951.80 : 1,930,658.10 = 539,073.40 : x
  2. Step 2: Convert to fraction form
    1,286,951.80/1,930,658.10 = 539,073.40/x
  3. Step 3: Cross multiply
    1,286,951.80x = 1,930,658.10 × 539,073.40
  4. Step 4: Simplify right side
    1,286,951.80x = 1,040,766,426,204.54
  5. Step 5: Solve for x
    x = 1,040,766,426,204.54/1,286,951.80
  6. Step 6: Final answer
    x = 808,706.61

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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.