Home / 1,584,138.52-2,186,227.02-905,060.44

Finding the Fourth Proportional to 1,584,138.52, 2,186,227.02 and 905,060.44

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Solution

The fourth proportional to 1,584,138.52, 2,186,227.02 and 905,060.44 is: 1,249,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,138.52 : 2,186,227.02 = 905,060.44 : x
  2. Step 2: Convert to fraction form
    1,584,138.52/2,186,227.02 = 905,060.44/x
  3. Step 3: Cross multiply
    1,584,138.52x = 2,186,227.02 × 905,060.44
  4. Step 4: Simplify right side
    1,584,138.52x = 1,978,667,588,661.09
  5. Step 5: Solve for x
    x = 1,978,667,588,661.09/1,584,138.52
  6. Step 6: Final answer
    x = 1,249,049.60

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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.