Home / 1,361,693.48-2,042,833.82-678,952.60

Finding the Fourth Proportional to 1,361,693.48, 2,042,833.82 and 678,952.60

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Solution

The fourth proportional to 1,361,693.48, 2,042,833.82 and 678,952.60 is: 1,018,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,693.48 : 2,042,833.82 = 678,952.60 : x
  2. Step 2: Convert to fraction form
    1,361,693.48/2,042,833.82 = 678,952.60/x
  3. Step 3: Cross multiply
    1,361,693.48x = 2,042,833.82 × 678,952.60
  4. Step 4: Simplify right side
    1,361,693.48x = 1,386,987,333,456.93
  5. Step 5: Solve for x
    x = 1,386,987,333,456.93/1,361,693.48
  6. Step 6: Final answer
    x = 1,018,575.29

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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.