Home / 961,635.71-1,441,179.42-511,387.08

Finding the Fourth Proportional to 961,635.71, 1,441,179.42 and 511,387.08

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Solution

The fourth proportional to 961,635.71, 1,441,179.42 and 511,387.08 is: 766,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,635.71 : 1,441,179.42 = 511,387.08 : x
  2. Step 2: Convert to fraction form
    961,635.71/1,441,179.42 = 511,387.08/x
  3. Step 3: Cross multiply
    961,635.71x = 1,441,179.42 × 511,387.08
  4. Step 4: Simplify right side
    961,635.71x = 737,000,535,349.89
  5. Step 5: Solve for x
    x = 737,000,535,349.89/961,635.71
  6. Step 6: Final answer
    x = 766,403.05

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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.