Home / 459,734.12-689,594.27-206,836.05

Finding the Fourth Proportional to 459,734.12, 689,594.27 and 206,836.05

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Solution

The fourth proportional to 459,734.12, 689,594.27 and 206,836.05 is: 310,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,734.12 : 689,594.27 = 206,836.05 : x
  2. Step 2: Convert to fraction form
    459,734.12/689,594.27 = 206,836.05/x
  3. Step 3: Cross multiply
    459,734.12x = 689,594.27 × 206,836.05
  4. Step 4: Simplify right side
    459,734.12x = 142,632,955,426.52
  5. Step 5: Solve for x
    x = 142,632,955,426.52/459,734.12
  6. Step 6: Final answer
    x = 310,250.97

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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.