Home / 451,627.80-677,441.70-283,666.20

Finding the Fourth Proportional to 451,627.80, 677,441.70 and 283,666.20

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Solution

The fourth proportional to 451,627.80, 677,441.70 and 283,666.20 is: 425,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,627.80 : 677,441.70 = 283,666.20 : x
  2. Step 2: Convert to fraction form
    451,627.80/677,441.70 = 283,666.20/x
  3. Step 3: Cross multiply
    451,627.80x = 677,441.70 × 283,666.20
  4. Step 4: Simplify right side
    451,627.80x = 192,167,312,760.54
  5. Step 5: Solve for x
    x = 192,167,312,760.54/451,627.80
  6. Step 6: Final answer
    x = 425,499.30

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Similar ratio
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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.