Home / 729,097.80-1,093,646.70-613,624.20

Finding the Fourth Proportional to 729,097.80, 1,093,646.70 and 613,624.20

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Solution

The fourth proportional to 729,097.80, 1,093,646.70 and 613,624.20 is: 920,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,097.80 : 1,093,646.70 = 613,624.20 : x
  2. Step 2: Convert to fraction form
    729,097.80/1,093,646.70 = 613,624.20/x
  3. Step 3: Cross multiply
    729,097.80x = 1,093,646.70 × 613,624.20
  4. Step 4: Simplify right side
    729,097.80x = 671,088,081,370.14
  5. Step 5: Solve for x
    x = 671,088,081,370.14/729,097.80
  6. Step 6: Final answer
    x = 920,436.30

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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.