Home / 938,537.88-1,296,251.47-636,207

Finding the Fourth Proportional to 938,537.88, 1,296,251.47 and 636,207

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Solution

The fourth proportional to 938,537.88, 1,296,251.47 and 636,207 is: 878,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,537.88 : 1,296,251.47 = 636,207 : x
  2. Step 2: Convert to fraction form
    938,537.88/1,296,251.47 = 636,207/x
  3. Step 3: Cross multiply
    938,537.88x = 1,296,251.47 × 636,207
  4. Step 4: Simplify right side
    938,537.88x = 824,684,258,974.29
  5. Step 5: Solve for x
    x = 824,684,258,974.29/938,537.88
  6. Step 6: Final answer
    x = 878,690.44

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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.