Home / 523,985.92-723,100.44-285,521.92

Finding the Fourth Proportional to 523,985.92, 723,100.44 and 285,521.92

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Solution

The fourth proportional to 523,985.92, 723,100.44 and 285,521.92 is: 394,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,985.92 : 723,100.44 = 285,521.92 : x
  2. Step 2: Convert to fraction form
    523,985.92/723,100.44 = 285,521.92/x
  3. Step 3: Cross multiply
    523,985.92x = 723,100.44 × 285,521.92
  4. Step 4: Simplify right side
    523,985.92x = 206,461,025,981.65
  5. Step 5: Solve for x
    x = 206,461,025,981.65/523,985.92
  6. Step 6: Final answer
    x = 394,020.18

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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.