Home / 788,108.88-1,182,329.37-255,588.39

Finding the Fourth Proportional to 788,108.88, 1,182,329.37 and 255,588.39

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Solution

The fourth proportional to 788,108.88, 1,182,329.37 and 255,588.39 is: 383,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,108.88 : 1,182,329.37 = 255,588.39 : x
  2. Step 2: Convert to fraction form
    788,108.88/1,182,329.37 = 255,588.39/x
  3. Step 3: Cross multiply
    788,108.88x = 1,182,329.37 × 255,588.39
  4. Step 4: Simplify right side
    788,108.88x = 302,189,654,216.37
  5. Step 5: Solve for x
    x = 302,189,654,216.37/788,108.88
  6. Step 6: Final answer
    x = 383,436.43

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Double scale
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Similar ratio
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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.