Home / 729,039.80-1,093,559.70-547,956.20

Finding the Fourth Proportional to 729,039.80, 1,093,559.70 and 547,956.20

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Solution

The fourth proportional to 729,039.80, 1,093,559.70 and 547,956.20 is: 821,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,039.80 : 1,093,559.70 = 547,956.20 : x
  2. Step 2: Convert to fraction form
    729,039.80/1,093,559.70 = 547,956.20/x
  3. Step 3: Cross multiply
    729,039.80x = 1,093,559.70 × 547,956.20
  4. Step 4: Simplify right side
    729,039.80x = 599,222,817,685.14
  5. Step 5: Solve for x
    x = 599,222,817,685.14/729,039.80
  6. Step 6: Final answer
    x = 821,934.30

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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.