Home / 756,156.75-1,043,499.56-416,617.71

Finding the Fourth Proportional to 756,156.75, 1,043,499.56 and 416,617.71

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Solution

The fourth proportional to 756,156.75, 1,043,499.56 and 416,617.71 is: 574,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,156.75 : 1,043,499.56 = 416,617.71 : x
  2. Step 2: Convert to fraction form
    756,156.75/1,043,499.56 = 416,617.71/x
  3. Step 3: Cross multiply
    756,156.75x = 1,043,499.56 × 416,617.71
  4. Step 4: Simplify right side
    756,156.75x = 434,740,394,990.12
  5. Step 5: Solve for x
    x = 434,740,394,990.12/756,156.75
  6. Step 6: Final answer
    x = 574,934.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.