Home / 399,036.51-598,565.09-114,715.58

Finding the Fourth Proportional to 399,036.51, 598,565.09 and 114,715.58

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Solution

The fourth proportional to 399,036.51, 598,565.09 and 114,715.58 is: 172,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,036.51 : 598,565.09 = 114,715.58 : x
  2. Step 2: Convert to fraction form
    399,036.51/598,565.09 = 114,715.58/x
  3. Step 3: Cross multiply
    399,036.51x = 598,565.09 × 114,715.58
  4. Step 4: Simplify right side
    399,036.51x = 68,664,738,761.07
  5. Step 5: Solve for x
    x = 68,664,738,761.07/399,036.51
  6. Step 6: Final answer
    x = 172,076.33

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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.