Home / 694,585.20-1,042,223.40-395,295.60

Finding the Fourth Proportional to 694,585.20, 1,042,223.40 and 395,295.60

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Solution

The fourth proportional to 694,585.20, 1,042,223.40 and 395,295.60 is: 593,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,585.20 : 1,042,223.40 = 395,295.60 : x
  2. Step 2: Convert to fraction form
    694,585.20/1,042,223.40 = 395,295.60/x
  3. Step 3: Cross multiply
    694,585.20x = 1,042,223.40 × 395,295.60
  4. Step 4: Simplify right side
    694,585.20x = 411,986,324,237.04
  5. Step 5: Solve for x
    x = 411,986,324,237.04/694,585.20
  6. Step 6: Final answer
    x = 593,140.08

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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.