Home / 768,433.92-1,152,822.18-236,008.68

Finding the Fourth Proportional to 768,433.92, 1,152,822.18 and 236,008.68

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Solution

The fourth proportional to 768,433.92, 1,152,822.18 and 236,008.68 is: 354,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,433.92 : 1,152,822.18 = 236,008.68 : x
  2. Step 2: Convert to fraction form
    768,433.92/1,152,822.18 = 236,008.68/x
  3. Step 3: Cross multiply
    768,433.92x = 1,152,822.18 × 236,008.68
  4. Step 4: Simplify right side
    768,433.92x = 272,076,040,976.52
  5. Step 5: Solve for x
    x = 272,076,040,976.52/768,433.92
  6. Step 6: Final answer
    x = 354,065.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.