Home / 684,176.48-944,313.42-397,861.73

Finding the Fourth Proportional to 684,176.48, 944,313.42 and 397,861.73

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Solution

The fourth proportional to 684,176.48, 944,313.42 and 397,861.73 is: 549,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,176.48 : 944,313.42 = 397,861.73 : x
  2. Step 2: Convert to fraction form
    684,176.48/944,313.42 = 397,861.73/x
  3. Step 3: Cross multiply
    684,176.48x = 944,313.42 × 397,861.73
  4. Step 4: Simplify right side
    684,176.48x = 375,706,171,255.01
  5. Step 5: Solve for x
    x = 375,706,171,255.01/684,176.48
  6. Step 6: Final answer
    x = 549,136.35

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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.