Home / 729,121.20-1,093,681.80-530,833.20

Finding the Fourth Proportional to 729,121.20, 1,093,681.80 and 530,833.20

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Solution

The fourth proportional to 729,121.20, 1,093,681.80 and 530,833.20 is: 796,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,121.20 : 1,093,681.80 = 530,833.20 : x
  2. Step 2: Convert to fraction form
    729,121.20/1,093,681.80 = 530,833.20/x
  3. Step 3: Cross multiply
    729,121.20x = 1,093,681.80 × 530,833.20
  4. Step 4: Simplify right side
    729,121.20x = 580,562,609,675.76
  5. Step 5: Solve for x
    x = 580,562,609,675.76/729,121.20
  6. Step 6: Final answer
    x = 796,249.80

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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.