Home / 670,517.70-1,005,776.55-197,250.90

Finding the Fourth Proportional to 670,517.70, 1,005,776.55 and 197,250.90

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Solution

The fourth proportional to 670,517.70, 1,005,776.55 and 197,250.90 is: 295,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,517.70 : 1,005,776.55 = 197,250.90 : x
  2. Step 2: Convert to fraction form
    670,517.70/1,005,776.55 = 197,250.90/x
  3. Step 3: Cross multiply
    670,517.70x = 1,005,776.55 × 197,250.90
  4. Step 4: Simplify right side
    670,517.70x = 198,390,329,686.40
  5. Step 5: Solve for x
    x = 198,390,329,686.40/670,517.70
  6. Step 6: Final answer
    x = 295,876.35

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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.