Home / 705,016.90-1,056,242.31-629,434.18

Finding the Fourth Proportional to 705,016.90, 1,056,242.31 and 629,434.18

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Solution

The fourth proportional to 705,016.90, 1,056,242.31 and 629,434.18 is: 943,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,016.90 : 1,056,242.31 = 629,434.18 : x
  2. Step 2: Convert to fraction form
    705,016.90/1,056,242.31 = 629,434.18/x
  3. Step 3: Cross multiply
    705,016.90x = 1,056,242.31 × 629,434.18
  4. Step 4: Simplify right side
    705,016.90x = 664,835,012,276.16
  5. Step 5: Solve for x
    x = 664,835,012,276.16/705,016.90
  6. Step 6: Final answer
    x = 943,005.78

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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.