Home / 1,098,734.40-1,645,542.72-1,068,465.36

Finding the Fourth Proportional to 1,098,734.40, 1,645,542.72 and 1,068,465.36

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Solution

The fourth proportional to 1,098,734.40, 1,645,542.72 and 1,068,465.36 is: 1,600,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,734.40 : 1,645,542.72 = 1,068,465.36 : x
  2. Step 2: Convert to fraction form
    1,098,734.40/1,645,542.72 = 1,068,465.36/x
  3. Step 3: Cross multiply
    1,098,734.40x = 1,645,542.72 × 1,068,465.36
  4. Step 4: Simplify right side
    1,098,734.40x = 1,758,205,394,720.18
  5. Step 5: Solve for x
    x = 1,758,205,394,720.18/1,098,734.40
  6. Step 6: Final answer
    x = 1,600,209.65

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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.