Home / 836,309.40-1,154,205.92-496,779

Finding the Fourth Proportional to 836,309.40, 1,154,205.92 and 496,779

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Solution

The fourth proportional to 836,309.40, 1,154,205.92 and 496,779 is: 685,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,309.40 : 1,154,205.92 = 496,779 : x
  2. Step 2: Convert to fraction form
    836,309.40/1,154,205.92 = 496,779/x
  3. Step 3: Cross multiply
    836,309.40x = 1,154,205.92 × 496,779
  4. Step 4: Simplify right side
    836,309.40x = 573,385,262,731.68
  5. Step 5: Solve for x
    x = 573,385,262,731.68/836,309.40
  6. Step 6: Final answer
    x = 685,613.80

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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.