Home / 705,326.40-1,057,989.60-694,828.80

Finding the Fourth Proportional to 705,326.40, 1,057,989.60 and 694,828.80

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Solution

The fourth proportional to 705,326.40, 1,057,989.60 and 694,828.80 is: 1,042,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,326.40 : 1,057,989.60 = 694,828.80 : x
  2. Step 2: Convert to fraction form
    705,326.40/1,057,989.60 = 694,828.80/x
  3. Step 3: Cross multiply
    705,326.40x = 1,057,989.60 × 694,828.80
  4. Step 4: Simplify right side
    705,326.40x = 735,121,644,180.48
  5. Step 5: Solve for x
    x = 735,121,644,180.48/705,326.40
  6. Step 6: Final answer
    x = 1,042,243.20

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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.