Home / 859,610.96-1,186,214.82-515,274.60

Finding the Fourth Proportional to 859,610.96, 1,186,214.82 and 515,274.60

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Solution

The fourth proportional to 859,610.96, 1,186,214.82 and 515,274.60 is: 711,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,610.96 : 1,186,214.82 = 515,274.60 : x
  2. Step 2: Convert to fraction form
    859,610.96/1,186,214.82 = 515,274.60/x
  3. Step 3: Cross multiply
    859,610.96x = 1,186,214.82 × 515,274.60
  4. Step 4: Simplify right side
    859,610.96x = 611,226,362,733.14
  5. Step 5: Solve for x
    x = 611,226,362,733.14/859,610.96
  6. Step 6: Final answer
    x = 711,049.98

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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.