Home / 762,385.67-1,143,571.97-193,768.40

Finding the Fourth Proportional to 762,385.67, 1,143,571.97 and 193,768.40

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Solution

The fourth proportional to 762,385.67, 1,143,571.97 and 193,768.40 is: 290,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,385.67 : 1,143,571.97 = 193,768.40 : x
  2. Step 2: Convert to fraction form
    762,385.67/1,143,571.97 = 193,768.40/x
  3. Step 3: Cross multiply
    762,385.67x = 1,143,571.97 × 193,768.40
  4. Step 4: Simplify right side
    762,385.67x = 221,588,114,255.10
  5. Step 5: Solve for x
    x = 221,588,114,255.10/762,385.67
  6. Step 6: Final answer
    x = 290,650.94

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Double scale
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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.