Home / 432,575.16-648,641.22-230,286.18

Finding the Fourth Proportional to 432,575.16, 648,641.22 and 230,286.18

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Solution

The fourth proportional to 432,575.16, 648,641.22 and 230,286.18 is: 345,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,575.16 : 648,641.22 = 230,286.18 : x
  2. Step 2: Convert to fraction form
    432,575.16/648,641.22 = 230,286.18/x
  3. Step 3: Cross multiply
    432,575.16x = 648,641.22 × 230,286.18
  4. Step 4: Simplify right side
    432,575.16x = 149,373,108,744.34
  5. Step 5: Solve for x
    x = 149,373,108,744.34/432,575.16
  6. Step 6: Final answer
    x = 345,311.34

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1.5x scale

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.