Home / 859,103.27-1,185,524.13-515,129.06

Finding the Fourth Proportional to 859,103.27, 1,185,524.13 and 515,129.06

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Solution

The fourth proportional to 859,103.27, 1,185,524.13 and 515,129.06 is: 710,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,103.27 : 1,185,524.13 = 515,129.06 : x
  2. Step 2: Convert to fraction form
    859,103.27/1,185,524.13 = 515,129.06/x
  3. Step 3: Cross multiply
    859,103.27x = 1,185,524.13 × 515,129.06
  4. Step 4: Simplify right side
    859,103.27x = 610,697,924,766.60
  5. Step 5: Solve for x
    x = 610,697,924,766.60/859,103.27
  6. Step 6: Final answer
    x = 710,855.09

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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.