Home / 644,106.11-966,159.20-200,874.11

Finding the Fourth Proportional to 644,106.11, 966,159.20 and 200,874.11

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Solution

The fourth proportional to 644,106.11, 966,159.20 and 200,874.11 is: 301,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,106.11 : 966,159.20 = 200,874.11 : x
  2. Step 2: Convert to fraction form
    644,106.11/966,159.20 = 200,874.11/x
  3. Step 3: Cross multiply
    644,106.11x = 966,159.20 × 200,874.11
  4. Step 4: Simplify right side
    644,106.11x = 194,076,365,089.70
  5. Step 5: Solve for x
    x = 194,076,365,089.70/644,106.11
  6. Step 6: Final answer
    x = 301,311.17

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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.