Home / 934,056.20-1,399,010.70-809,640.20

Finding the Fourth Proportional to 934,056.20, 1,399,010.70 and 809,640.20

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Solution

The fourth proportional to 934,056.20, 1,399,010.70 and 809,640.20 is: 1,212,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,056.20 : 1,399,010.70 = 809,640.20 : x
  2. Step 2: Convert to fraction form
    934,056.20/1,399,010.70 = 809,640.20/x
  3. Step 3: Cross multiply
    934,056.20x = 1,399,010.70 × 809,640.20
  4. Step 4: Simplify right side
    934,056.20x = 1,132,695,302,950.14
  5. Step 5: Solve for x
    x = 1,132,695,302,950.14/934,056.20
  6. Step 6: Final answer
    x = 1,212,662.90

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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.