Home / 695,036.31-959,097.09-389,042.61

Finding the Fourth Proportional to 695,036.31, 959,097.09 and 389,042.61

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Solution

The fourth proportional to 695,036.31, 959,097.09 and 389,042.61 is: 536,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,036.31 : 959,097.09 = 389,042.61 : x
  2. Step 2: Convert to fraction form
    695,036.31/959,097.09 = 389,042.61/x
  3. Step 3: Cross multiply
    695,036.31x = 959,097.09 × 389,042.61
  4. Step 4: Simplify right side
    695,036.31x = 373,129,635,137.01
  5. Step 5: Solve for x
    x = 373,129,635,137.01/695,036.31
  6. Step 6: Final answer
    x = 536,849.13

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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.