Home / 1,442,186.64-2,161,754.53-543,239.46

Finding the Fourth Proportional to 1,442,186.64, 2,161,754.53 and 543,239.46

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Solution

The fourth proportional to 1,442,186.64, 2,161,754.53 and 543,239.46 is: 814,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,186.64 : 2,161,754.53 = 543,239.46 : x
  2. Step 2: Convert to fraction form
    1,442,186.64/2,161,754.53 = 543,239.46/x
  3. Step 3: Cross multiply
    1,442,186.64x = 2,161,754.53 × 543,239.46
  4. Step 4: Simplify right side
    1,442,186.64x = 1,174,350,362,171.66
  5. Step 5: Solve for x
    x = 1,174,350,362,171.66/1,442,186.64
  6. Step 6: Final answer
    x = 814,284.59

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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.