Home / 859,170.98-1,185,524.30-496,524.87

Finding the Fourth Proportional to 859,170.98, 1,185,524.30 and 496,524.87

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Solution

The fourth proportional to 859,170.98, 1,185,524.30 and 496,524.87 is: 685,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,170.98 : 1,185,524.30 = 496,524.87 : x
  2. Step 2: Convert to fraction form
    859,170.98/1,185,524.30 = 496,524.87/x
  3. Step 3: Cross multiply
    859,170.98x = 1,185,524.30 × 496,524.87
  4. Step 4: Simplify right side
    859,170.98x = 588,642,296,456.72
  5. Step 5: Solve for x
    x = 588,642,296,456.72/859,170.98
  6. Step 6: Final answer
    x = 685,128.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.