Home / 445,960.79-615,426.29-242,011.71

Finding the Fourth Proportional to 445,960.79, 615,426.29 and 242,011.71

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Solution

The fourth proportional to 445,960.79, 615,426.29 and 242,011.71 is: 333,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,960.79 : 615,426.29 = 242,011.71 : x
  2. Step 2: Convert to fraction form
    445,960.79/615,426.29 = 242,011.71/x
  3. Step 3: Cross multiply
    445,960.79x = 615,426.29 × 242,011.71
  4. Step 4: Simplify right side
    445,960.79x = 148,940,367,611.80
  5. Step 5: Solve for x
    x = 148,940,367,611.80/445,960.79
  6. Step 6: Final answer
    x = 333,976.37

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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.