Home / 1,593,643.78-2,199,228.45-878,251.78

Finding the Fourth Proportional to 1,593,643.78, 2,199,228.45 and 878,251.78

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Solution

The fourth proportional to 1,593,643.78, 2,199,228.45 and 878,251.78 is: 1,211,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593,643.78 : 2,199,228.45 = 878,251.78 : x
  2. Step 2: Convert to fraction form
    1,593,643.78/2,199,228.45 = 878,251.78/x
  3. Step 3: Cross multiply
    1,593,643.78x = 2,199,228.45 × 878,251.78
  4. Step 4: Simplify right side
    1,593,643.78x = 1,931,476,300,839.14
  5. Step 5: Solve for x
    x = 1,931,476,300,839.14/1,593,643.78
  6. Step 6: Final answer
    x = 1,211,987.47

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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.