Home / 796,138.28-1,098,621.06-438,442.28

Finding the Fourth Proportional to 796,138.28, 1,098,621.06 and 438,442.28

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Solution

The fourth proportional to 796,138.28, 1,098,621.06 and 438,442.28 is: 605,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,138.28 : 1,098,621.06 = 438,442.28 : x
  2. Step 2: Convert to fraction form
    796,138.28/1,098,621.06 = 438,442.28/x
  3. Step 3: Cross multiply
    796,138.28x = 1,098,621.06 × 438,442.28
  4. Step 4: Simplify right side
    796,138.28x = 481,681,922,402.42
  5. Step 5: Solve for x
    x = 481,681,922,402.42/796,138.28
  6. Step 6: Final answer
    x = 605,022.94

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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.