Home / 1,783,531.20-2,675,296.80-838,747.20

Finding the Fourth Proportional to 1,783,531.20, 2,675,296.80 and 838,747.20

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Solution

The fourth proportional to 1,783,531.20, 2,675,296.80 and 838,747.20 is: 1,258,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,531.20 : 2,675,296.80 = 838,747.20 : x
  2. Step 2: Convert to fraction form
    1,783,531.20/2,675,296.80 = 838,747.20/x
  3. Step 3: Cross multiply
    1,783,531.20x = 2,675,296.80 × 838,747.20
  4. Step 4: Simplify right side
    1,783,531.20x = 2,243,897,700,168.96
  5. Step 5: Solve for x
    x = 2,243,897,700,168.96/1,783,531.20
  6. Step 6: Final answer
    x = 1,258,120.80

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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.