Home / 1,344,558.80-2,016,838.20-347,286.80

Finding the Fourth Proportional to 1,344,558.80, 2,016,838.20 and 347,286.80

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Solution

The fourth proportional to 1,344,558.80, 2,016,838.20 and 347,286.80 is: 520,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,558.80 : 2,016,838.20 = 347,286.80 : x
  2. Step 2: Convert to fraction form
    1,344,558.80/2,016,838.20 = 347,286.80/x
  3. Step 3: Cross multiply
    1,344,558.80x = 2,016,838.20 × 347,286.80
  4. Step 4: Simplify right side
    1,344,558.80x = 700,421,284,595.76
  5. Step 5: Solve for x
    x = 700,421,284,595.76/1,344,558.80
  6. Step 6: Final answer
    x = 520,930.20

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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.