Home / 746,640.40-1,119,960.60-185,674.90

Finding the Fourth Proportional to 746,640.40, 1,119,960.60 and 185,674.90

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Solution

The fourth proportional to 746,640.40, 1,119,960.60 and 185,674.90 is: 278,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,640.40 : 1,119,960.60 = 185,674.90 : x
  2. Step 2: Convert to fraction form
    746,640.40/1,119,960.60 = 185,674.90/x
  3. Step 3: Cross multiply
    746,640.40x = 1,119,960.60 × 185,674.90
  4. Step 4: Simplify right side
    746,640.40x = 207,948,572,408.94
  5. Step 5: Solve for x
    x = 207,948,572,408.94/746,640.40
  6. Step 6: Final answer
    x = 278,512.35

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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.