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Finding the Fourth Proportional to 1,414,909.76, 1,952,575.76 and 770,330

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Solution

The fourth proportional to 1,414,909.76, 1,952,575.76 and 770,330 is: 1,063,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,909.76 : 1,952,575.76 = 770,330 : x
  2. Step 2: Convert to fraction form
    1,414,909.76/1,952,575.76 = 770,330/x
  3. Step 3: Cross multiply
    1,414,909.76x = 1,952,575.76 × 770,330
  4. Step 4: Simplify right side
    1,414,909.76x = 1,504,127,685,200.80
  5. Step 5: Solve for x
    x = 1,504,127,685,200.80/1,414,909.76
  6. Step 6: Final answer
    x = 1,063,055.56

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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.