Home / 522,844.60-784,785.30-256,905.40

Finding the Fourth Proportional to 522,844.60, 784,785.30 and 256,905.40

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Solution

The fourth proportional to 522,844.60, 784,785.30 and 256,905.40 is: 385,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,844.60 : 784,785.30 = 256,905.40 : x
  2. Step 2: Convert to fraction form
    522,844.60/784,785.30 = 256,905.40/x
  3. Step 3: Cross multiply
    522,844.60x = 784,785.30 × 256,905.40
  4. Step 4: Simplify right side
    522,844.60x = 201,615,581,410.62
  5. Step 5: Solve for x
    x = 201,615,581,410.62/522,844.60
  6. Step 6: Final answer
    x = 385,612.82

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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.