Home / 441,132.20-661,698.30-263,547.80

Finding the Fourth Proportional to 441,132.20, 661,698.30 and 263,547.80

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Solution

The fourth proportional to 441,132.20, 661,698.30 and 263,547.80 is: 395,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,132.20 : 661,698.30 = 263,547.80 : x
  2. Step 2: Convert to fraction form
    441,132.20/661,698.30 = 263,547.80/x
  3. Step 3: Cross multiply
    441,132.20x = 661,698.30 × 263,547.80
  4. Step 4: Simplify right side
    441,132.20x = 174,389,131,228.74
  5. Step 5: Solve for x
    x = 174,389,131,228.74/441,132.20
  6. Step 6: Final answer
    x = 395,321.70

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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.