Home / 836,311.40-1,154,208.68-496,781

Finding the Fourth Proportional to 836,311.40, 1,154,208.68 and 496,781

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Solution

The fourth proportional to 836,311.40, 1,154,208.68 and 496,781 is: 685,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,311.40 : 1,154,208.68 = 496,781 : x
  2. Step 2: Convert to fraction form
    836,311.40/1,154,208.68 = 496,781/x
  3. Step 3: Cross multiply
    836,311.40x = 1,154,208.68 × 496,781
  4. Step 4: Simplify right side
    836,311.40x = 573,388,942,259.08
  5. Step 5: Solve for x
    x = 573,388,942,259.08/836,311.40
  6. Step 6: Final answer
    x = 685,616.56

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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.