Home / 1,126,682.94-1,690,301.43-327,971.40

Finding the Fourth Proportional to 1,126,682.94, 1,690,301.43 and 327,971.40

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Solution

The fourth proportional to 1,126,682.94, 1,690,301.43 and 327,971.40 is: 492,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,682.94 : 1,690,301.43 = 327,971.40 : x
  2. Step 2: Convert to fraction form
    1,126,682.94/1,690,301.43 = 327,971.40/x
  3. Step 3: Cross multiply
    1,126,682.94x = 1,690,301.43 × 327,971.40
  4. Step 4: Simplify right side
    1,126,682.94x = 554,370,526,419.10
  5. Step 5: Solve for x
    x = 554,370,526,419.10/1,126,682.94
  6. Step 6: Final answer
    x = 492,037.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.