Home / 451,623.39-677,436.27-152,314.20

Finding the Fourth Proportional to 451,623.39, 677,436.27 and 152,314.20

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Solution

The fourth proportional to 451,623.39, 677,436.27 and 152,314.20 is: 228,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,623.39 : 677,436.27 = 152,314.20 : x
  2. Step 2: Convert to fraction form
    451,623.39/677,436.27 = 152,314.20/x
  3. Step 3: Cross multiply
    451,623.39x = 677,436.27 × 152,314.20
  4. Step 4: Simplify right side
    451,623.39x = 103,183,163,516.03
  5. Step 5: Solve for x
    x = 103,183,163,516.03/451,623.39
  6. Step 6: Final answer
    x = 228,471.70

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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.