Home / 445,922.87-615,198.38-254,833.74

Finding the Fourth Proportional to 445,922.87, 615,198.38 and 254,833.74

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Solution

The fourth proportional to 445,922.87, 615,198.38 and 254,833.74 is: 351,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,922.87 : 615,198.38 = 254,833.74 : x
  2. Step 2: Convert to fraction form
    445,922.87/615,198.38 = 254,833.74/x
  3. Step 3: Cross multiply
    445,922.87x = 615,198.38 × 254,833.74
  4. Step 4: Simplify right side
    445,922.87x = 156,773,302,743.17
  5. Step 5: Solve for x
    x = 156,773,302,743.17/445,922.87
  6. Step 6: Final answer
    x = 351,570.45

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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.