Home / 986,453.32-1,479,745.59-346,679.68

Finding the Fourth Proportional to 986,453.32, 1,479,745.59 and 346,679.68

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Solution

The fourth proportional to 986,453.32, 1,479,745.59 and 346,679.68 is: 520,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,453.32 : 1,479,745.59 = 346,679.68 : x
  2. Step 2: Convert to fraction form
    986,453.32/1,479,745.59 = 346,679.68/x
  3. Step 3: Cross multiply
    986,453.32x = 1,479,745.59 × 346,679.68
  4. Step 4: Simplify right side
    986,453.32x = 512,997,727,622.61
  5. Step 5: Solve for x
    x = 512,997,727,622.61/986,453.32
  6. Step 6: Final answer
    x = 520,042.58

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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.