Home / 685,951.32-1,028,555.87-544,705.29

Finding the Fourth Proportional to 685,951.32, 1,028,555.87 and 544,705.29

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Solution

The fourth proportional to 685,951.32, 1,028,555.87 and 544,705.29 is: 816,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,951.32 : 1,028,555.87 = 544,705.29 : x
  2. Step 2: Convert to fraction form
    685,951.32/1,028,555.87 = 544,705.29/x
  3. Step 3: Cross multiply
    685,951.32x = 1,028,555.87 × 544,705.29
  4. Step 4: Simplify right side
    685,951.32x = 560,259,820,726.03
  5. Step 5: Solve for x
    x = 560,259,820,726.03/685,951.32
  6. Step 6: Final answer
    x = 816,763.24

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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.