Home / 1,208,251.37-1,667,351.63-664,386.59

Finding the Fourth Proportional to 1,208,251.37, 1,667,351.63 and 664,386.59

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Solution

The fourth proportional to 1,208,251.37, 1,667,351.63 and 664,386.59 is: 916,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,251.37 : 1,667,351.63 = 664,386.59 : x
  2. Step 2: Convert to fraction form
    1,208,251.37/1,667,351.63 = 664,386.59/x
  3. Step 3: Cross multiply
    1,208,251.37x = 1,667,351.63 × 664,386.59
  4. Step 4: Simplify right side
    1,208,251.37x = 1,107,766,052,127.95
  5. Step 5: Solve for x
    x = 1,107,766,052,127.95/1,208,251.37
  6. Step 6: Final answer
    x = 916,834.10

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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.