Home / 899,060.19-1,240,682.31-491,163.44

Finding the Fourth Proportional to 899,060.19, 1,240,682.31 and 491,163.44

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Solution

The fourth proportional to 899,060.19, 1,240,682.31 and 491,163.44 is: 677,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,060.19 : 1,240,682.31 = 491,163.44 : x
  2. Step 2: Convert to fraction form
    899,060.19/1,240,682.31 = 491,163.44/x
  3. Step 3: Cross multiply
    899,060.19x = 1,240,682.31 × 491,163.44
  4. Step 4: Simplify right side
    899,060.19x = 609,377,785,123.34
  5. Step 5: Solve for x
    x = 609,377,785,123.34/899,060.19
  6. Step 6: Final answer
    x = 677,794.20

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Half scale
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Double scale
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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.