Home / 445,961.42-615,427.15-242,012.33

Finding the Fourth Proportional to 445,961.42, 615,427.15 and 242,012.33

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Solution

The fourth proportional to 445,961.42, 615,427.15 and 242,012.33 is: 333,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,961.42 : 615,427.15 = 242,012.33 : x
  2. Step 2: Convert to fraction form
    445,961.42/615,427.15 = 242,012.33/x
  3. Step 3: Cross multiply
    445,961.42x = 615,427.15 × 242,012.33
  4. Step 4: Simplify right side
    445,961.42x = 148,940,958,516.76
  5. Step 5: Solve for x
    x = 148,940,958,516.76/445,961.42
  6. Step 6: Final answer
    x = 333,977.23

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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.