Home / 1,693,671.81-2,337,261.12-919,302.71

Finding the Fourth Proportional to 1,693,671.81, 2,337,261.12 and 919,302.71

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Solution

The fourth proportional to 1,693,671.81, 2,337,261.12 and 919,302.71 is: 1,268,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,671.81 : 2,337,261.12 = 919,302.71 : x
  2. Step 2: Convert to fraction form
    1,693,671.81/2,337,261.12 = 919,302.71/x
  3. Step 3: Cross multiply
    1,693,671.81x = 2,337,261.12 × 919,302.71
  4. Step 4: Simplify right side
    1,693,671.81x = 2,148,650,469,907.33
  5. Step 5: Solve for x
    x = 2,148,650,469,907.33/1,693,671.81
  6. Step 6: Final answer
    x = 1,268,634.49

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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.