Home / 454,696.20-681,606.90-353,438.10

Finding the Fourth Proportional to 454,696.20, 681,606.90 and 353,438.10

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Solution

The fourth proportional to 454,696.20, 681,606.90 and 353,438.10 is: 529,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,696.20 : 681,606.90 = 353,438.10 : x
  2. Step 2: Convert to fraction form
    454,696.20/681,606.90 = 353,438.10/x
  3. Step 3: Cross multiply
    454,696.20x = 681,606.90 × 353,438.10
  4. Step 4: Simplify right side
    454,696.20x = 240,905,847,682.89
  5. Step 5: Solve for x
    x = 240,905,847,682.89/454,696.20
  6. Step 6: Final answer
    x = 529,817.16

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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.