Home / 743,201.83-1,114,845.12-210,681

Finding the Fourth Proportional to 743,201.83, 1,114,845.12 and 210,681

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Solution

The fourth proportional to 743,201.83, 1,114,845.12 and 210,681 is: 316,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,201.83 : 1,114,845.12 = 210,681 : x
  2. Step 2: Convert to fraction form
    743,201.83/1,114,845.12 = 210,681/x
  3. Step 3: Cross multiply
    743,201.83x = 1,114,845.12 × 210,681
  4. Step 4: Simplify right side
    743,201.83x = 234,876,684,726.72
  5. Step 5: Solve for x
    x = 234,876,684,726.72/743,201.83
  6. Step 6: Final answer
    x = 316,033.51

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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.