Home / 398,623.70-597,935.55-188,671.70

Finding the Fourth Proportional to 398,623.70, 597,935.55 and 188,671.70

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Solution

The fourth proportional to 398,623.70, 597,935.55 and 188,671.70 is: 283,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,623.70 : 597,935.55 = 188,671.70 : x
  2. Step 2: Convert to fraction form
    398,623.70/597,935.55 = 188,671.70/x
  3. Step 3: Cross multiply
    398,623.70x = 597,935.55 × 188,671.70
  4. Step 4: Simplify right side
    398,623.70x = 112,813,516,708.94
  5. Step 5: Solve for x
    x = 112,813,516,708.94/398,623.70
  6. Step 6: Final answer
    x = 283,007.55

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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.