Home / 445,933.50-615,385.10-241,979.23

Finding the Fourth Proportional to 445,933.50, 615,385.10 and 241,979.23

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Solution

The fourth proportional to 445,933.50, 615,385.10 and 241,979.23 is: 333,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,933.50 : 615,385.10 = 241,979.23 : x
  2. Step 2: Convert to fraction form
    445,933.50/615,385.10 = 241,979.23/x
  3. Step 3: Cross multiply
    445,933.50x = 615,385.10 × 241,979.23
  4. Step 4: Simplify right side
    445,933.50x = 148,910,412,651.47
  5. Step 5: Solve for x
    x = 148,910,412,651.47/445,933.50
  6. Step 6: Final answer
    x = 333,929.64

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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.