Home / 705,015.90-1,056,240.81-629,433.18

Finding the Fourth Proportional to 705,015.90, 1,056,240.81 and 629,433.18

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Solution

The fourth proportional to 705,015.90, 1,056,240.81 and 629,433.18 is: 943,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,015.90 : 1,056,240.81 = 629,433.18 : x
  2. Step 2: Convert to fraction form
    705,015.90/1,056,240.81 = 629,433.18/x
  3. Step 3: Cross multiply
    705,015.90x = 1,056,240.81 × 629,433.18
  4. Step 4: Simplify right side
    705,015.90x = 664,833,011,884.08
  5. Step 5: Solve for x
    x = 664,833,011,884.08/705,015.90
  6. Step 6: Final answer
    x = 943,004.28

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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.