Home / 451,623.38-677,436.26-152,314.22

Finding the Fourth Proportional to 451,623.38, 677,436.26 and 152,314.22

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Solution

The fourth proportional to 451,623.38, 677,436.26 and 152,314.22 is: 228,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,623.38 : 677,436.26 = 152,314.22 : x
  2. Step 2: Convert to fraction form
    451,623.38/677,436.26 = 152,314.22/x
  3. Step 3: Cross multiply
    451,623.38x = 677,436.26 × 152,314.22
  4. Step 4: Simplify right side
    451,623.38x = 103,183,175,541.62
  5. Step 5: Solve for x
    x = 103,183,175,541.62/451,623.38
  6. Step 6: Final answer
    x = 228,471.73

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1.5x scale

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.