Home / 807,008.60-1,211,096.10-451,645.40

Finding the Fourth Proportional to 807,008.60, 1,211,096.10 and 451,645.40

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Solution

The fourth proportional to 807,008.60, 1,211,096.10 and 451,645.40 is: 677,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,008.60 : 1,211,096.10 = 451,645.40 : x
  2. Step 2: Convert to fraction form
    807,008.60/1,211,096.10 = 451,645.40/x
  3. Step 3: Cross multiply
    807,008.60x = 1,211,096.10 × 451,645.40
  4. Step 4: Simplify right side
    807,008.60x = 546,985,982,522.94
  5. Step 5: Solve for x
    x = 546,985,982,522.94/807,008.60
  6. Step 6: Final answer
    x = 677,794.49

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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.