Home / 445,944.18-615,399.80-241,989.92

Finding the Fourth Proportional to 445,944.18, 615,399.80 and 241,989.92

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Solution

The fourth proportional to 445,944.18, 615,399.80 and 241,989.92 is: 333,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,944.18 : 615,399.80 = 241,989.92 : x
  2. Step 2: Convert to fraction form
    445,944.18/615,399.80 = 241,989.92/x
  3. Step 3: Cross multiply
    445,944.18x = 615,399.80 × 241,989.92
  4. Step 4: Simplify right side
    445,944.18x = 148,920,544,083.07
  5. Step 5: Solve for x
    x = 148,920,544,083.07/445,944.18
  6. Step 6: Final answer
    x = 333,944.36

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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.