Home / 1,602,728.88-2,211,825.42-914,512.78

Finding the Fourth Proportional to 1,602,728.88, 2,211,825.42 and 914,512.78

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Solution

The fourth proportional to 1,602,728.88, 2,211,825.42 and 914,512.78 is: 1,262,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,728.88 : 2,211,825.42 = 914,512.78 : x
  2. Step 2: Convert to fraction form
    1,602,728.88/2,211,825.42 = 914,512.78/x
  3. Step 3: Cross multiply
    1,602,728.88x = 2,211,825.42 × 914,512.78
  4. Step 4: Simplify right side
    1,602,728.88x = 2,022,742,613,718.87
  5. Step 5: Solve for x
    x = 2,022,742,613,718.87/1,602,728.88
  6. Step 6: Final answer
    x = 1,262,061.62

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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.