Home / 857,900.91-1,183,956.44-495,390.27

Finding the Fourth Proportional to 857,900.91, 1,183,956.44 and 495,390.27

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Solution

The fourth proportional to 857,900.91, 1,183,956.44 and 495,390.27 is: 683,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,900.91 : 1,183,956.44 = 495,390.27 : x
  2. Step 2: Convert to fraction form
    857,900.91/1,183,956.44 = 495,390.27/x
  3. Step 3: Cross multiply
    857,900.91x = 1,183,956.44 × 495,390.27
  4. Step 4: Simplify right side
    857,900.91x = 586,520,498,002.89
  5. Step 5: Solve for x
    x = 586,520,498,002.89/857,900.91
  6. Step 6: Final answer
    x = 683,669.28

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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.