Home / 1,197,719.56-1,796,478.12-388,086.84

Finding the Fourth Proportional to 1,197,719.56, 1,796,478.12 and 388,086.84

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Solution

The fourth proportional to 1,197,719.56, 1,796,478.12 and 388,086.84 is: 582,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,719.56 : 1,796,478.12 = 388,086.84 : x
  2. Step 2: Convert to fraction form
    1,197,719.56/1,796,478.12 = 388,086.84/x
  3. Step 3: Cross multiply
    1,197,719.56x = 1,796,478.12 × 388,086.84
  4. Step 4: Simplify right side
    1,197,719.56x = 697,189,516,719.94
  5. Step 5: Solve for x
    x = 697,189,516,719.94/1,197,719.56
  6. Step 6: Final answer
    x = 582,097.46

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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.