Home / 460,819.80-691,326.90-194,443.20

Finding the Fourth Proportional to 460,819.80, 691,326.90 and 194,443.20

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Solution

The fourth proportional to 460,819.80, 691,326.90 and 194,443.20 is: 291,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,819.80 : 691,326.90 = 194,443.20 : x
  2. Step 2: Convert to fraction form
    460,819.80/691,326.90 = 194,443.20/x
  3. Step 3: Cross multiply
    460,819.80x = 691,326.90 × 194,443.20
  4. Step 4: Simplify right side
    460,819.80x = 134,423,814,682.08
  5. Step 5: Solve for x
    x = 134,423,814,682.08/460,819.80
  6. Step 6: Final answer
    x = 291,705.81

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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.