Home / 1,336,776.40-2,005,164.60-978,053.73

Finding the Fourth Proportional to 1,336,776.40, 2,005,164.60 and 978,053.73

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Solution

The fourth proportional to 1,336,776.40, 2,005,164.60 and 978,053.73 is: 1,467,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,776.40 : 2,005,164.60 = 978,053.73 : x
  2. Step 2: Convert to fraction form
    1,336,776.40/2,005,164.60 = 978,053.73/x
  3. Step 3: Cross multiply
    1,336,776.40x = 2,005,164.60 × 978,053.73
  4. Step 4: Simplify right side
    1,336,776.40x = 1,961,158,716,293.96
  5. Step 5: Solve for x
    x = 1,961,158,716,293.96/1,336,776.40
  6. Step 6: Final answer
    x = 1,467,080.60

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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.