Home / 445,836.08-615,168.06-254,808.92

Finding the Fourth Proportional to 445,836.08, 615,168.06 and 254,808.92

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Solution

The fourth proportional to 445,836.08, 615,168.06 and 254,808.92 is: 351,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,836.08 : 615,168.06 = 254,808.92 : x
  2. Step 2: Convert to fraction form
    445,836.08/615,168.06 = 254,808.92/x
  3. Step 3: Cross multiply
    445,836.08x = 615,168.06 × 254,808.92
  4. Step 4: Simplify right side
    445,836.08x = 156,750,308,987.10
  5. Step 5: Solve for x
    x = 156,750,308,987.10/445,836.08
  6. Step 6: Final answer
    x = 351,587.31

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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.