Home / 1,081,928.31-1,623,040.11-450,694.50

Finding the Fourth Proportional to 1,081,928.31, 1,623,040.11 and 450,694.50

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Solution

The fourth proportional to 1,081,928.31, 1,623,040.11 and 450,694.50 is: 676,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,928.31 : 1,623,040.11 = 450,694.50 : x
  2. Step 2: Convert to fraction form
    1,081,928.31/1,623,040.11 = 450,694.50/x
  3. Step 3: Cross multiply
    1,081,928.31x = 1,623,040.11 × 450,694.50
  4. Step 4: Simplify right side
    1,081,928.31x = 731,495,250,856.40
  5. Step 5: Solve for x
    x = 731,495,250,856.40/1,081,928.31
  6. Step 6: Final answer
    x = 676,103.25

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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.