Home / 764,972.87-1,055,641.32-416,101.73

Finding the Fourth Proportional to 764,972.87, 1,055,641.32 and 416,101.73

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Solution

The fourth proportional to 764,972.87, 1,055,641.32 and 416,101.73 is: 574,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,972.87 : 1,055,641.32 = 416,101.73 : x
  2. Step 2: Convert to fraction form
    764,972.87/1,055,641.32 = 416,101.73/x
  3. Step 3: Cross multiply
    764,972.87x = 1,055,641.32 × 416,101.73
  4. Step 4: Simplify right side
    764,972.87x = 439,254,174,233.28
  5. Step 5: Solve for x
    x = 439,254,174,233.28/764,972.87
  6. Step 6: Final answer
    x = 574,208.83

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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.