Home / 699,072.51-1,048,605.51-219,335.43

Finding the Fourth Proportional to 699,072.51, 1,048,605.51 and 219,335.43

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Solution

The fourth proportional to 699,072.51, 1,048,605.51 and 219,335.43 is: 329,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,072.51 : 1,048,605.51 = 219,335.43 : x
  2. Step 2: Convert to fraction form
    699,072.51/1,048,605.51 = 219,335.43/x
  3. Step 3: Cross multiply
    699,072.51x = 1,048,605.51 × 219,335.43
  4. Step 4: Simplify right side
    699,072.51x = 229,996,340,436.22
  5. Step 5: Solve for x
    x = 229,996,340,436.22/699,072.51
  6. Step 6: Final answer
    x = 329,002.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.