Home / 644,822.40-967,233.60-201,590.40

Finding the Fourth Proportional to 644,822.40, 967,233.60 and 201,590.40

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Solution

The fourth proportional to 644,822.40, 967,233.60 and 201,590.40 is: 302,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,822.40 : 967,233.60 = 201,590.40 : x
  2. Step 2: Convert to fraction form
    644,822.40/967,233.60 = 201,590.40/x
  3. Step 3: Cross multiply
    644,822.40x = 967,233.60 × 201,590.40
  4. Step 4: Simplify right side
    644,822.40x = 194,985,008,317.44
  5. Step 5: Solve for x
    x = 194,985,008,317.44/644,822.40
  6. Step 6: Final answer
    x = 302,385.60

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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.