Home / 629,950.80-944,926.20-315,022.80

Finding the Fourth Proportional to 629,950.80, 944,926.20 and 315,022.80

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Solution

The fourth proportional to 629,950.80, 944,926.20 and 315,022.80 is: 472,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,950.80 : 944,926.20 = 315,022.80 : x
  2. Step 2: Convert to fraction form
    629,950.80/944,926.20 = 315,022.80/x
  3. Step 3: Cross multiply
    629,950.80x = 944,926.20 × 315,022.80
  4. Step 4: Simplify right side
    629,950.80x = 297,673,297,317.36
  5. Step 5: Solve for x
    x = 297,673,297,317.36/629,950.80
  6. Step 6: Final answer
    x = 472,534.20

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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.