Home / 796,841.12-1,099,679.72-448,091.28

Finding the Fourth Proportional to 796,841.12, 1,099,679.72 and 448,091.28

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Solution

The fourth proportional to 796,841.12, 1,099,679.72 and 448,091.28 is: 618,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,841.12 : 1,099,679.72 = 448,091.28 : x
  2. Step 2: Convert to fraction form
    796,841.12/1,099,679.72 = 448,091.28/x
  3. Step 3: Cross multiply
    796,841.12x = 1,099,679.72 × 448,091.28
  4. Step 4: Simplify right side
    796,841.12x = 492,756,888,640.93
  5. Step 5: Solve for x
    x = 492,756,888,640.93/796,841.12
  6. Step 6: Final answer
    x = 618,387.88

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1.5x scale

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.