Home / 993,659.72-1,371,255.56-540,953.96

Finding the Fourth Proportional to 993,659.72, 1,371,255.56 and 540,953.96

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Solution

The fourth proportional to 993,659.72, 1,371,255.56 and 540,953.96 is: 746,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,659.72 : 1,371,255.56 = 540,953.96 : x
  2. Step 2: Convert to fraction form
    993,659.72/1,371,255.56 = 540,953.96/x
  3. Step 3: Cross multiply
    993,659.72x = 1,371,255.56 × 540,953.96
  4. Step 4: Simplify right side
    993,659.72x = 741,786,125,354.02
  5. Step 5: Solve for x
    x = 741,786,125,354.02/993,659.72
  6. Step 6: Final answer
    x = 746,519.27

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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.