Home / 752,856.58-1,038,949.56-408,695.17

Finding the Fourth Proportional to 752,856.58, 1,038,949.56 and 408,695.17

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Solution

The fourth proportional to 752,856.58, 1,038,949.56 and 408,695.17 is: 564,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,856.58 : 1,038,949.56 = 408,695.17 : x
  2. Step 2: Convert to fraction form
    752,856.58/1,038,949.56 = 408,695.17/x
  3. Step 3: Cross multiply
    752,856.58x = 1,038,949.56 × 408,695.17
  4. Step 4: Simplify right side
    752,856.58x = 424,613,667,045.63
  5. Step 5: Solve for x
    x = 424,613,667,045.63/752,856.58
  6. Step 6: Final answer
    x = 564,003.39

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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.