Home / 705,023.40-1,056,252.06-629,440.68

Finding the Fourth Proportional to 705,023.40, 1,056,252.06 and 629,440.68

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Solution

The fourth proportional to 705,023.40, 1,056,252.06 and 629,440.68 is: 943,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,023.40 : 1,056,252.06 = 629,440.68 : x
  2. Step 2: Convert to fraction form
    705,023.40/1,056,252.06 = 629,440.68/x
  3. Step 3: Cross multiply
    705,023.40x = 1,056,252.06 × 629,440.68
  4. Step 4: Simplify right side
    705,023.40x = 664,848,014,897.80
  5. Step 5: Solve for x
    x = 664,848,014,897.80/705,023.40
  6. Step 6: Final answer
    x = 943,015.53

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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.