Home / 1,276,630.20-1,914,815.70-435,169.80

Finding the Fourth Proportional to 1,276,630.20, 1,914,815.70 and 435,169.80

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Solution

The fourth proportional to 1,276,630.20, 1,914,815.70 and 435,169.80 is: 652,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,630.20 : 1,914,815.70 = 435,169.80 : x
  2. Step 2: Convert to fraction form
    1,276,630.20/1,914,815.70 = 435,169.80/x
  3. Step 3: Cross multiply
    1,276,630.20x = 1,914,815.70 × 435,169.80
  4. Step 4: Simplify right side
    1,276,630.20x = 833,269,965,205.86
  5. Step 5: Solve for x
    x = 833,269,965,205.86/1,276,630.20
  6. Step 6: Final answer
    x = 652,710.52

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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.