Home / 1,412,657.66-2,116,145.82-653,433.32

Finding the Fourth Proportional to 1,412,657.66, 2,116,145.82 and 653,433.32

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Solution

The fourth proportional to 1,412,657.66, 2,116,145.82 and 653,433.32 is: 978,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,657.66 : 2,116,145.82 = 653,433.32 : x
  2. Step 2: Convert to fraction form
    1,412,657.66/2,116,145.82 = 653,433.32/x
  3. Step 3: Cross multiply
    1,412,657.66x = 2,116,145.82 × 653,433.32
  4. Step 4: Simplify right side
    1,412,657.66x = 1,382,760,188,766.72
  5. Step 5: Solve for x
    x = 1,382,760,188,766.72/1,412,657.66
  6. Step 6: Final answer
    x = 978,836.01

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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.