Home / 566,911.41-782,338.84-308,787.57

Finding the Fourth Proportional to 566,911.41, 782,338.84 and 308,787.57

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Solution

The fourth proportional to 566,911.41, 782,338.84 and 308,787.57 is: 426,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,911.41 : 782,338.84 = 308,787.57 : x
  2. Step 2: Convert to fraction form
    566,911.41/782,338.84 = 308,787.57/x
  3. Step 3: Cross multiply
    566,911.41x = 782,338.84 × 308,787.57
  4. Step 4: Simplify right side
    566,911.41x = 241,576,505,614.48
  5. Step 5: Solve for x
    x = 241,576,505,614.48/566,911.41
  6. Step 6: Final answer
    x = 426,127.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.