Home / 467,089.28-644,585.18-263,142.64

Finding the Fourth Proportional to 467,089.28, 644,585.18 and 263,142.64

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Solution

The fourth proportional to 467,089.28, 644,585.18 and 263,142.64 is: 363,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,089.28 : 644,585.18 = 263,142.64 : x
  2. Step 2: Convert to fraction form
    467,089.28/644,585.18 = 263,142.64/x
  3. Step 3: Cross multiply
    467,089.28x = 644,585.18 × 263,142.64
  4. Step 4: Simplify right side
    467,089.28x = 169,617,845,970.08
  5. Step 5: Solve for x
    x = 169,617,845,970.08/467,089.28
  6. Step 6: Final answer
    x = 363,137.96

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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.