Home / 886,353.12-1,329,821.28-353,580.48

Finding the Fourth Proportional to 886,353.12, 1,329,821.28 and 353,580.48

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Solution

The fourth proportional to 886,353.12, 1,329,821.28 and 353,580.48 is: 530,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,353.12 : 1,329,821.28 = 353,580.48 : x
  2. Step 2: Convert to fraction form
    886,353.12/1,329,821.28 = 353,580.48/x
  3. Step 3: Cross multiply
    886,353.12x = 1,329,821.28 × 353,580.48
  4. Step 4: Simplify right side
    886,353.12x = 470,198,846,496.61
  5. Step 5: Solve for x
    x = 470,198,846,496.61/886,353.12
  6. Step 6: Final answer
    x = 530,487.04

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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.