Home / 691,105.55-1,036,658.33-573,007.55

Finding the Fourth Proportional to 691,105.55, 1,036,658.33 and 573,007.55

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Solution

The fourth proportional to 691,105.55, 1,036,658.33 and 573,007.55 is: 859,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,105.55 : 1,036,658.33 = 573,007.55 : x
  2. Step 2: Convert to fraction form
    691,105.55/1,036,658.33 = 573,007.55/x
  3. Step 3: Cross multiply
    691,105.55x = 1,036,658.33 × 573,007.55
  4. Step 4: Simplify right side
    691,105.55x = 594,013,049,860.39
  5. Step 5: Solve for x
    x = 594,013,049,860.39/691,105.55
  6. Step 6: Final answer
    x = 859,511.33

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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.