Home / 827,116.56-1,141,283.52-487,538.64

Finding the Fourth Proportional to 827,116.56, 1,141,283.52 and 487,538.64

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Solution

The fourth proportional to 827,116.56, 1,141,283.52 and 487,538.64 is: 672,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,116.56 : 1,141,283.52 = 487,538.64 : x
  2. Step 2: Convert to fraction form
    827,116.56/1,141,283.52 = 487,538.64/x
  3. Step 3: Cross multiply
    827,116.56x = 1,141,283.52 × 487,538.64
  4. Step 4: Simplify right side
    827,116.56x = 556,419,815,195.21
  5. Step 5: Solve for x
    x = 556,419,815,195.21/827,116.56
  6. Step 6: Final answer
    x = 672,722.37

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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.