Home / 1,198,479.09-1,797,725.37-399,758.45

Finding the Fourth Proportional to 1,198,479.09, 1,797,725.37 and 399,758.45

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Solution

The fourth proportional to 1,198,479.09, 1,797,725.37 and 399,758.45 is: 599,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,479.09 : 1,797,725.37 = 399,758.45 : x
  2. Step 2: Convert to fraction form
    1,198,479.09/1,797,725.37 = 399,758.45/x
  3. Step 3: Cross multiply
    1,198,479.09x = 1,797,725.37 × 399,758.45
  4. Step 4: Simplify right side
    1,198,479.09x = 718,655,898,448.25
  5. Step 5: Solve for x
    x = 718,655,898,448.25/1,198,479.09
  6. Step 6: Final answer
    x = 599,639.91

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1.5x scale

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.