Home / 1,554,538.52-2,331,807.78-543,324.40

Finding the Fourth Proportional to 1,554,538.52, 2,331,807.78 and 543,324.40

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Solution

The fourth proportional to 1,554,538.52, 2,331,807.78 and 543,324.40 is: 814,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,538.52 : 2,331,807.78 = 543,324.40 : x
  2. Step 2: Convert to fraction form
    1,554,538.52/2,331,807.78 = 543,324.40/x
  3. Step 3: Cross multiply
    1,554,538.52x = 2,331,807.78 × 543,324.40
  4. Step 4: Simplify right side
    1,554,538.52x = 1,266,928,062,983.83
  5. Step 5: Solve for x
    x = 1,266,928,062,983.83/1,554,538.52
  6. Step 6: Final answer
    x = 814,986.60

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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.