Home / 467,255.05-644,811.87-252,395.12

Finding the Fourth Proportional to 467,255.05, 644,811.87 and 252,395.12

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Solution

The fourth proportional to 467,255.05, 644,811.87 and 252,395.12 is: 348,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,255.05 : 644,811.87 = 252,395.12 : x
  2. Step 2: Convert to fraction form
    467,255.05/644,811.87 = 252,395.12/x
  3. Step 3: Cross multiply
    467,255.05x = 644,811.87 × 252,395.12
  4. Step 4: Simplify right side
    467,255.05x = 162,747,369,306.07
  5. Step 5: Solve for x
    x = 162,747,369,306.07/467,255.05
  6. Step 6: Final answer
    x = 348,305.21

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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.