Home / 1,198,478.98-1,797,725.19-399,758.33

Finding the Fourth Proportional to 1,198,478.98, 1,797,725.19 and 399,758.33

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Solution

The fourth proportional to 1,198,478.98, 1,797,725.19 and 399,758.33 is: 599,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,478.98 : 1,797,725.19 = 399,758.33 : x
  2. Step 2: Convert to fraction form
    1,198,478.98/1,797,725.19 = 399,758.33/x
  3. Step 3: Cross multiply
    1,198,478.98x = 1,797,725.19 × 399,758.33
  4. Step 4: Simplify right side
    1,198,478.98x = 718,655,624,247.65
  5. Step 5: Solve for x
    x = 718,655,624,247.65/1,198,478.98
  6. Step 6: Final answer
    x = 599,639.74

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Double scale
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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.