Home / 696,505.28-1,044,584.89-393,032.66

Finding the Fourth Proportional to 696,505.28, 1,044,584.89 and 393,032.66

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Solution

The fourth proportional to 696,505.28, 1,044,584.89 and 393,032.66 is: 589,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,505.28 : 1,044,584.89 = 393,032.66 : x
  2. Step 2: Convert to fraction form
    696,505.28/1,044,584.89 = 393,032.66/x
  3. Step 3: Cross multiply
    696,505.28x = 1,044,584.89 × 393,032.66
  4. Step 4: Simplify right side
    696,505.28x = 410,555,976,855.71
  5. Step 5: Solve for x
    x = 410,555,976,855.71/696,505.28
  6. Step 6: Final answer
    x = 589,451.35

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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.