Home / 459,799.56-689,691.38-206,901.09

Finding the Fourth Proportional to 459,799.56, 689,691.38 and 206,901.09

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Solution

The fourth proportional to 459,799.56, 689,691.38 and 206,901.09 is: 310,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,799.56 : 689,691.38 = 206,901.09 : x
  2. Step 2: Convert to fraction form
    459,799.56/689,691.38 = 206,901.09/x
  3. Step 3: Cross multiply
    459,799.56x = 689,691.38 × 206,901.09
  4. Step 4: Simplify right side
    459,799.56x = 142,697,897,251.10
  5. Step 5: Solve for x
    x = 142,697,897,251.10/459,799.56
  6. Step 6: Final answer
    x = 310,348.05

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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.