Home / 629,946.30-944,919.45-488,228.70

Finding the Fourth Proportional to 629,946.30, 944,919.45 and 488,228.70

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Solution

The fourth proportional to 629,946.30, 944,919.45 and 488,228.70 is: 732,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,946.30 : 944,919.45 = 488,228.70 : x
  2. Step 2: Convert to fraction form
    629,946.30/944,919.45 = 488,228.70/x
  3. Step 3: Cross multiply
    629,946.30x = 944,919.45 × 488,228.70
  4. Step 4: Simplify right side
    629,946.30x = 461,336,794,678.22
  5. Step 5: Solve for x
    x = 461,336,794,678.22/629,946.30
  6. Step 6: Final answer
    x = 732,343.05

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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.