Home / 1,206,837-1,665,436.16-663,008.02

Finding the Fourth Proportional to 1,206,837, 1,665,436.16 and 663,008.02

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Solution

The fourth proportional to 1,206,837, 1,665,436.16 and 663,008.02 is: 914,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,837 : 1,665,436.16 = 663,008.02 : x
  2. Step 2: Convert to fraction form
    1,206,837/1,665,436.16 = 663,008.02/x
  3. Step 3: Cross multiply
    1,206,837x = 1,665,436.16 × 663,008.02
  4. Step 4: Simplify right side
    1,206,837x = 1,104,197,530,878.00
  5. Step 5: Solve for x
    x = 1,104,197,530,878.00/1,206,837
  6. Step 6: Final answer
    x = 914,951.67

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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.