Home / 986,038.41-1,479,249.32-378,782.32

Finding the Fourth Proportional to 986,038.41, 1,479,249.32 and 378,782.32

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Solution

The fourth proportional to 986,038.41, 1,479,249.32 and 378,782.32 is: 568,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,038.41 : 1,479,249.32 = 378,782.32 : x
  2. Step 2: Convert to fraction form
    986,038.41/1,479,249.32 = 378,782.32/x
  3. Step 3: Cross multiply
    986,038.41x = 1,479,249.32 × 378,782.32
  4. Step 4: Simplify right side
    986,038.41x = 560,313,488,341.07
  5. Step 5: Solve for x
    x = 560,313,488,341.07/986,038.41
  6. Step 6: Final answer
    x = 568,247.12

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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.