Home / 694,778.40-1,041,634.08-352,941.12

Finding the Fourth Proportional to 694,778.40, 1,041,634.08 and 352,941.12

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Solution

The fourth proportional to 694,778.40, 1,041,634.08 and 352,941.12 is: 529,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,778.40 : 1,041,634.08 = 352,941.12 : x
  2. Step 2: Convert to fraction form
    694,778.40/1,041,634.08 = 352,941.12/x
  3. Step 3: Cross multiply
    694,778.40x = 1,041,634.08 × 352,941.12
  4. Step 4: Simplify right side
    694,778.40x = 367,635,498,825.37
  5. Step 5: Solve for x
    x = 367,635,498,825.37/694,778.40
  6. Step 6: Final answer
    x = 529,140.66

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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.