Home / 522,846.10-784,787.55-256,906.90

Finding the Fourth Proportional to 522,846.10, 784,787.55 and 256,906.90

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Solution

The fourth proportional to 522,846.10, 784,787.55 and 256,906.90 is: 385,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,846.10 : 784,787.55 = 256,906.90 : x
  2. Step 2: Convert to fraction form
    522,846.10/784,787.55 = 256,906.90/x
  3. Step 3: Cross multiply
    522,846.10x = 784,787.55 × 256,906.90
  4. Step 4: Simplify right side
    522,846.10x = 201,617,336,629.10
  5. Step 5: Solve for x
    x = 201,617,336,629.10/522,846.10
  6. Step 6: Final answer
    x = 385,615.07

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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.