Home / 413,828.15-620,729.78-114,326.64

Finding the Fourth Proportional to 413,828.15, 620,729.78 and 114,326.64

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Solution

The fourth proportional to 413,828.15, 620,729.78 and 114,326.64 is: 171,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,828.15 : 620,729.78 = 114,326.64 : x
  2. Step 2: Convert to fraction form
    413,828.15/620,729.78 = 114,326.64/x
  3. Step 3: Cross multiply
    413,828.15x = 620,729.78 × 114,326.64
  4. Step 4: Simplify right side
    413,828.15x = 70,965,949,523.71
  5. Step 5: Solve for x
    x = 70,965,949,523.71/413,828.15
  6. Step 6: Final answer
    x = 171,486.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.