Home / 445,921.87-615,196.99-254,832.74

Finding the Fourth Proportional to 445,921.87, 615,196.99 and 254,832.74

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Solution

The fourth proportional to 445,921.87, 615,196.99 and 254,832.74 is: 351,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,921.87 : 615,196.99 = 254,832.74 : x
  2. Step 2: Convert to fraction form
    445,921.87/615,196.99 = 254,832.74/x
  3. Step 3: Cross multiply
    445,921.87x = 615,196.99 × 254,832.74
  4. Step 4: Simplify right side
    445,921.87x = 156,772,334,601.45
  5. Step 5: Solve for x
    x = 156,772,334,601.45/445,921.87
  6. Step 6: Final answer
    x = 351,569.06

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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.