Home / 1,729,384.40-2,587,078.20-1,519,432.40

Finding the Fourth Proportional to 1,729,384.40, 2,587,078.20 and 1,519,432.40

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Solution

The fourth proportional to 1,729,384.40, 2,587,078.20 and 1,519,432.40 is: 2,272,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,384.40 : 2,587,078.20 = 1,519,432.40 : x
  2. Step 2: Convert to fraction form
    1,729,384.40/2,587,078.20 = 1,519,432.40/x
  3. Step 3: Cross multiply
    1,729,384.40x = 2,587,078.20 × 1,519,432.40
  4. Step 4: Simplify right side
    1,729,384.40x = 3,930,890,438,413.68
  5. Step 5: Solve for x
    x = 3,930,890,438,413.68/1,729,384.40
  6. Step 6: Final answer
    x = 2,272,999.82

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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.