Home / 882,175.88-1,217,538.60-500,121.56

Finding the Fourth Proportional to 882,175.88, 1,217,538.60 and 500,121.56

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Solution

The fourth proportional to 882,175.88, 1,217,538.60 and 500,121.56 is: 690,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,175.88 : 1,217,538.60 = 500,121.56 : x
  2. Step 2: Convert to fraction form
    882,175.88/1,217,538.60 = 500,121.56/x
  3. Step 3: Cross multiply
    882,175.88x = 1,217,538.60 × 500,121.56
  4. Step 4: Simplify right side
    882,175.88x = 608,917,303,992.22
  5. Step 5: Solve for x
    x = 608,917,303,992.22/882,175.88
  6. Step 6: Final answer
    x = 690,244.79

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Double scale
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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.