Home / 380,966.73-571,481.22-191,329.57

Finding the Fourth Proportional to 380,966.73, 571,481.22 and 191,329.57

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Solution

The fourth proportional to 380,966.73, 571,481.22 and 191,329.57 is: 287,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,966.73 : 571,481.22 = 191,329.57 : x
  2. Step 2: Convert to fraction form
    380,966.73/571,481.22 = 191,329.57/x
  3. Step 3: Cross multiply
    380,966.73x = 571,481.22 × 191,329.57
  4. Step 4: Simplify right side
    380,966.73x = 109,341,256,085.68
  5. Step 5: Solve for x
    x = 109,341,256,085.68/380,966.73
  6. Step 6: Final answer
    x = 287,009.99

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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.