Home / 759,236.69-1,139,139.35-394,270.85

Finding the Fourth Proportional to 759,236.69, 1,139,139.35 and 394,270.85

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Solution

The fourth proportional to 759,236.69, 1,139,139.35 and 394,270.85 is: 591,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,236.69 : 1,139,139.35 = 394,270.85 : x
  2. Step 2: Convert to fraction form
    759,236.69/1,139,139.35 = 394,270.85/x
  3. Step 3: Cross multiply
    759,236.69x = 1,139,139.35 × 394,270.85
  4. Step 4: Simplify right side
    759,236.69x = 449,129,439,792.95
  5. Step 5: Solve for x
    x = 449,129,439,792.95/759,236.69
  6. Step 6: Final answer
    x = 591,553.92

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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.