Home / 629,946.40-944,919.60-346,511.20

Finding the Fourth Proportional to 629,946.40, 944,919.60 and 346,511.20

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Solution

The fourth proportional to 629,946.40, 944,919.60 and 346,511.20 is: 519,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,946.40 : 944,919.60 = 346,511.20 : x
  2. Step 2: Convert to fraction form
    629,946.40/944,919.60 = 346,511.20/x
  3. Step 3: Cross multiply
    629,946.40x = 944,919.60 × 346,511.20
  4. Step 4: Simplify right side
    629,946.40x = 327,425,224,499.52
  5. Step 5: Solve for x
    x = 327,425,224,499.52/629,946.40
  6. Step 6: Final answer
    x = 519,766.80

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Double scale
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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.