Home / 694,707.40-1,040,505.90-536,422.60

Finding the Fourth Proportional to 694,707.40, 1,040,505.90 and 536,422.60

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Solution

The fourth proportional to 694,707.40, 1,040,505.90 and 536,422.60 is: 803,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,707.40 : 1,040,505.90 = 536,422.60 : x
  2. Step 2: Convert to fraction form
    694,707.40/1,040,505.90 = 536,422.60/x
  3. Step 3: Cross multiply
    694,707.40x = 1,040,505.90 × 536,422.60
  4. Step 4: Simplify right side
    694,707.40x = 558,150,880,193.34
  5. Step 5: Solve for x
    x = 558,150,880,193.34/694,707.40
  6. Step 6: Final answer
    x = 803,433.04

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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.