Home / 629,931.15-944,896.73-345,511.80

Finding the Fourth Proportional to 629,931.15, 944,896.73 and 345,511.80

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Solution

The fourth proportional to 629,931.15, 944,896.73 and 345,511.80 is: 518,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,931.15 : 944,896.73 = 345,511.80 : x
  2. Step 2: Convert to fraction form
    629,931.15/944,896.73 = 345,511.80/x
  3. Step 3: Cross multiply
    629,931.15x = 944,896.73 × 345,511.80
  4. Step 4: Simplify right side
    629,931.15x = 326,472,968,268.86
  5. Step 5: Solve for x
    x = 326,472,968,268.86/629,931.15
  6. Step 6: Final answer
    x = 518,267.70

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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.