Home / 993,689.85-1,371,291.97-540,980.85

Finding the Fourth Proportional to 993,689.85, 1,371,291.97 and 540,980.85

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Solution

The fourth proportional to 993,689.85, 1,371,291.97 and 540,980.85 is: 746,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,689.85 : 1,371,291.97 = 540,980.85 : x
  2. Step 2: Convert to fraction form
    993,689.85/1,371,291.97 = 540,980.85/x
  3. Step 3: Cross multiply
    993,689.85x = 1,371,291.97 × 540,980.85
  4. Step 4: Simplify right side
    993,689.85x = 741,842,695,528.77
  5. Step 5: Solve for x
    x = 741,842,695,528.77/993,689.85
  6. Step 6: Final answer
    x = 746,553.56

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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.