Home / 882,212.64-1,217,730.96-500,493.12

Finding the Fourth Proportional to 882,212.64, 1,217,730.96 and 500,493.12

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Solution

The fourth proportional to 882,212.64, 1,217,730.96 and 500,493.12 is: 690,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,212.64 : 1,217,730.96 = 500,493.12 : x
  2. Step 2: Convert to fraction form
    882,212.64/1,217,730.96 = 500,493.12/x
  3. Step 3: Cross multiply
    882,212.64x = 1,217,730.96 × 500,493.12
  4. Step 4: Simplify right side
    882,212.64x = 609,465,967,491.00
  5. Step 5: Solve for x
    x = 609,465,967,491.00/882,212.64
  6. Step 6: Final answer
    x = 690,837.95

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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.