Home / 714,704.01-1,069,752.38-394,352.25

Finding the Fourth Proportional to 714,704.01, 1,069,752.38 and 394,352.25

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Solution

The fourth proportional to 714,704.01, 1,069,752.38 and 394,352.25 is: 590,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,704.01 : 1,069,752.38 = 394,352.25 : x
  2. Step 2: Convert to fraction form
    714,704.01/1,069,752.38 = 394,352.25/x
  3. Step 3: Cross multiply
    714,704.01x = 1,069,752.38 × 394,352.25
  4. Step 4: Simplify right side
    714,704.01x = 421,859,256,024.09
  5. Step 5: Solve for x
    x = 421,859,256,024.09/714,704.01
  6. Step 6: Final answer
    x = 590,257.30

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1.5x scale

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.