Home / 816,190.56-1,126,214.28-471,898.44

Finding the Fourth Proportional to 816,190.56, 1,126,214.28 and 471,898.44

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Solution

The fourth proportional to 816,190.56, 1,126,214.28 and 471,898.44 is: 651,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,190.56 : 1,126,214.28 = 471,898.44 : x
  2. Step 2: Convert to fraction form
    816,190.56/1,126,214.28 = 471,898.44/x
  3. Step 3: Cross multiply
    816,190.56x = 1,126,214.28 × 471,898.44
  4. Step 4: Simplify right side
    816,190.56x = 531,458,761,837.72
  5. Step 5: Solve for x
    x = 531,458,761,837.72/816,190.56
  6. Step 6: Final answer
    x = 651,145.44

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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.