Home / 886,484.25-1,329,726.41-221,636.25

Finding the Fourth Proportional to 886,484.25, 1,329,726.41 and 221,636.25

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Solution

The fourth proportional to 886,484.25, 1,329,726.41 and 221,636.25 is: 332,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,484.25 : 1,329,726.41 = 221,636.25 : x
  2. Step 2: Convert to fraction form
    886,484.25/1,329,726.41 = 221,636.25/x
  3. Step 3: Cross multiply
    886,484.25x = 1,329,726.41 × 221,636.25
  4. Step 4: Simplify right side
    886,484.25x = 294,715,573,930.18
  5. Step 5: Solve for x
    x = 294,715,573,930.18/886,484.25
  6. Step 6: Final answer
    x = 332,454.38

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Half scale
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Double scale
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Similar ratio
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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.