Home / 961,636.28-1,441,180.28-511,387.65

Finding the Fourth Proportional to 961,636.28, 1,441,180.28 and 511,387.65

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Solution

The fourth proportional to 961,636.28, 1,441,180.28 and 511,387.65 is: 766,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,636.28 : 1,441,180.28 = 511,387.65 : x
  2. Step 2: Convert to fraction form
    961,636.28/1,441,180.28 = 511,387.65/x
  3. Step 3: Cross multiply
    961,636.28x = 1,441,180.28 × 511,387.65
  4. Step 4: Simplify right side
    961,636.28x = 737,001,794,058.60
  5. Step 5: Solve for x
    x = 737,001,794,058.60/961,636.28
  6. Step 6: Final answer
    x = 766,403.90

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1.5x scale

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.