Home / 670,289.49-1,005,434.45-196,974.90

Finding the Fourth Proportional to 670,289.49, 1,005,434.45 and 196,974.90

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Solution

The fourth proportional to 670,289.49, 1,005,434.45 and 196,974.90 is: 295,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,289.49 : 1,005,434.45 = 196,974.90 : x
  2. Step 2: Convert to fraction form
    670,289.49/1,005,434.45 = 196,974.90/x
  3. Step 3: Cross multiply
    670,289.49x = 1,005,434.45 × 196,974.90
  4. Step 4: Simplify right side
    670,289.49x = 198,045,349,260.43
  5. Step 5: Solve for x
    x = 198,045,349,260.43/670,289.49
  6. Step 6: Final answer
    x = 295,462.41

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Double scale
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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.