Home / 1,091,338.40-1,637,007.60-1,073,623.70

Finding the Fourth Proportional to 1,091,338.40, 1,637,007.60 and 1,073,623.70

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Solution

The fourth proportional to 1,091,338.40, 1,637,007.60 and 1,073,623.70 is: 1,610,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,338.40 : 1,637,007.60 = 1,073,623.70 : x
  2. Step 2: Convert to fraction form
    1,091,338.40/1,637,007.60 = 1,073,623.70/x
  3. Step 3: Cross multiply
    1,091,338.40x = 1,637,007.60 × 1,073,623.70
  4. Step 4: Simplify right side
    1,091,338.40x = 1,757,530,156,440.12
  5. Step 5: Solve for x
    x = 1,757,530,156,440.12/1,091,338.40
  6. Step 6: Final answer
    x = 1,610,435.55

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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.