Home / 566,942.36-782,380.49-312,293.61

Finding the Fourth Proportional to 566,942.36, 782,380.49 and 312,293.61

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Solution

The fourth proportional to 566,942.36, 782,380.49 and 312,293.61 is: 430,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,942.36 : 782,380.49 = 312,293.61 : x
  2. Step 2: Convert to fraction form
    566,942.36/782,380.49 = 312,293.61/x
  3. Step 3: Cross multiply
    566,942.36x = 782,380.49 × 312,293.61
  4. Step 4: Simplify right side
    566,942.36x = 244,332,426,054.20
  5. Step 5: Solve for x
    x = 244,332,426,054.20/566,942.36
  6. Step 6: Final answer
    x = 430,965.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.