Home / 1,344,385.80-2,016,578.70-347,113.80

Finding the Fourth Proportional to 1,344,385.80, 2,016,578.70 and 347,113.80

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Solution

The fourth proportional to 1,344,385.80, 2,016,578.70 and 347,113.80 is: 520,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,385.80 : 2,016,578.70 = 347,113.80 : x
  2. Step 2: Convert to fraction form
    1,344,385.80/2,016,578.70 = 347,113.80/x
  3. Step 3: Cross multiply
    1,344,385.80x = 2,016,578.70 × 347,113.80
  4. Step 4: Simplify right side
    1,344,385.80x = 699,982,295,556.06
  5. Step 5: Solve for x
    x = 699,982,295,556.06/1,344,385.80
  6. Step 6: Final answer
    x = 520,670.70

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Double scale
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Similar ratio
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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.