Home / 886,910.80-1,328,616.60-530,867.20

Finding the Fourth Proportional to 886,910.80, 1,328,616.60 and 530,867.20

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Solution

The fourth proportional to 886,910.80, 1,328,616.60 and 530,867.20 is: 795,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,910.80 : 1,328,616.60 = 530,867.20 : x
  2. Step 2: Convert to fraction form
    886,910.80/1,328,616.60 = 530,867.20/x
  3. Step 3: Cross multiply
    886,910.80x = 1,328,616.60 × 530,867.20
  4. Step 4: Simplify right side
    886,910.80x = 705,318,974,315.52
  5. Step 5: Solve for x
    x = 705,318,974,315.52/886,910.80
  6. Step 6: Final answer
    x = 795,253.56

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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.