Home / 467,088.78-644,584.50-263,142.14

Finding the Fourth Proportional to 467,088.78, 644,584.50 and 263,142.14

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Solution

The fourth proportional to 467,088.78, 644,584.50 and 263,142.14 is: 363,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,088.78 : 644,584.50 = 263,142.14 : x
  2. Step 2: Convert to fraction form
    467,088.78/644,584.50 = 263,142.14/x
  3. Step 3: Cross multiply
    467,088.78x = 644,584.50 × 263,142.14
  4. Step 4: Simplify right side
    467,088.78x = 169,617,343,425.12
  5. Step 5: Solve for x
    x = 169,617,343,425.12/467,088.78
  6. Step 6: Final answer
    x = 363,137.27

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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.