Home / 445,927.80-615,572.34-273,873.66

Finding the Fourth Proportional to 445,927.80, 615,572.34 and 273,873.66

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Solution

The fourth proportional to 445,927.80, 615,572.34 and 273,873.66 is: 378,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,927.80 : 615,572.34 = 273,873.66 : x
  2. Step 2: Convert to fraction form
    445,927.80/615,572.34 = 273,873.66/x
  3. Step 3: Cross multiply
    445,927.80x = 615,572.34 × 273,873.66
  4. Step 4: Simplify right side
    445,927.80x = 168,589,049,750.56
  5. Step 5: Solve for x
    x = 168,589,049,750.56/445,927.80
  6. Step 6: Final answer
    x = 378,063.56

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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.