Home / 768,786.57-1,153,290.13-236,352.31

Finding the Fourth Proportional to 768,786.57, 1,153,290.13 and 236,352.31

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Solution

The fourth proportional to 768,786.57, 1,153,290.13 and 236,352.31 is: 354,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,786.57 : 1,153,290.13 = 236,352.31 : x
  2. Step 2: Convert to fraction form
    768,786.57/1,153,290.13 = 236,352.31/x
  3. Step 3: Cross multiply
    768,786.57x = 1,153,290.13 × 236,352.31
  4. Step 4: Simplify right side
    768,786.57x = 272,582,782,851.59
  5. Step 5: Solve for x
    x = 272,582,782,851.59/768,786.57
  6. Step 6: Final answer
    x = 354,562.36

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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.