Home / 1,584,984.17-2,187,278.15-905,935.25

Finding the Fourth Proportional to 1,584,984.17, 2,187,278.15 and 905,935.25

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Solution

The fourth proportional to 1,584,984.17, 2,187,278.15 and 905,935.25 is: 1,250,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,984.17 : 2,187,278.15 = 905,935.25 : x
  2. Step 2: Convert to fraction form
    1,584,984.17/2,187,278.15 = 905,935.25/x
  3. Step 3: Cross multiply
    1,584,984.17x = 2,187,278.15 × 905,935.25
  4. Step 4: Simplify right side
    1,584,984.17x = 1,981,532,374,436.43
  5. Step 5: Solve for x
    x = 1,981,532,374,436.43/1,584,984.17
  6. Step 6: Final answer
    x = 1,250,190.64

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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.