Home / 500,725.54-691,001.24-274,366.18

Finding the Fourth Proportional to 500,725.54, 691,001.24 and 274,366.18

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Solution

The fourth proportional to 500,725.54, 691,001.24 and 274,366.18 is: 378,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,725.54 : 691,001.24 = 274,366.18 : x
  2. Step 2: Convert to fraction form
    500,725.54/691,001.24 = 274,366.18/x
  3. Step 3: Cross multiply
    500,725.54x = 691,001.24 × 274,366.18
  4. Step 4: Simplify right side
    500,725.54x = 189,587,365,767.23
  5. Step 5: Solve for x
    x = 189,587,365,767.23/500,725.54
  6. Step 6: Final answer
    x = 378,625.32

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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.