Home / 451,623.70-677,436.74-152,314.52

Finding the Fourth Proportional to 451,623.70, 677,436.74 and 152,314.52

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Solution

The fourth proportional to 451,623.70, 677,436.74 and 152,314.52 is: 228,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,623.70 : 677,436.74 = 152,314.52 : x
  2. Step 2: Convert to fraction form
    451,623.70/677,436.74 = 152,314.52/x
  3. Step 3: Cross multiply
    451,623.70x = 677,436.74 × 152,314.52
  4. Step 4: Simplify right side
    451,623.70x = 103,183,451,121.89
  5. Step 5: Solve for x
    x = 103,183,451,121.89/451,623.70
  6. Step 6: Final answer
    x = 228,472.18

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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.