Home / 1,146,076.56-1,719,904.56-398,122.56

Finding the Fourth Proportional to 1,146,076.56, 1,719,904.56 and 398,122.56

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Solution

The fourth proportional to 1,146,076.56, 1,719,904.56 and 398,122.56 is: 597,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,076.56 : 1,719,904.56 = 398,122.56 : x
  2. Step 2: Convert to fraction form
    1,146,076.56/1,719,904.56 = 398,122.56/x
  3. Step 3: Cross multiply
    1,146,076.56x = 1,719,904.56 × 398,122.56
  4. Step 4: Simplify right side
    1,146,076.56x = 684,732,806,382.87
  5. Step 5: Solve for x
    x = 684,732,806,382.87/1,146,076.56
  6. Step 6: Final answer
    x = 597,458.17

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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.