Home / 454,518.10-681,777.15-328,546.90

Finding the Fourth Proportional to 454,518.10, 681,777.15 and 328,546.90

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Solution

The fourth proportional to 454,518.10, 681,777.15 and 328,546.90 is: 492,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,518.10 : 681,777.15 = 328,546.90 : x
  2. Step 2: Convert to fraction form
    454,518.10/681,777.15 = 328,546.90/x
  3. Step 3: Cross multiply
    454,518.10x = 681,777.15 × 328,546.90
  4. Step 4: Simplify right side
    454,518.10x = 223,995,769,123.34
  5. Step 5: Solve for x
    x = 223,995,769,123.34/454,518.10
  6. Step 6: Final answer
    x = 492,820.35

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Similar ratio
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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.