Home / 457,019.20-630,682.10-263,355.76

Finding the Fourth Proportional to 457,019.20, 630,682.10 and 263,355.76

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Solution

The fourth proportional to 457,019.20, 630,682.10 and 263,355.76 is: 363,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,019.20 : 630,682.10 = 263,355.76 : x
  2. Step 2: Convert to fraction form
    457,019.20/630,682.10 = 263,355.76/x
  3. Step 3: Cross multiply
    457,019.20x = 630,682.10 × 263,355.76
  4. Step 4: Simplify right side
    457,019.20x = 166,093,763,763.90
  5. Step 5: Solve for x
    x = 166,093,763,763.90/457,019.20
  6. Step 6: Final answer
    x = 363,428.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.