Home / 826,633.70-1,239,950.55-616,681.70

Finding the Fourth Proportional to 826,633.70, 1,239,950.55 and 616,681.70

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Solution

The fourth proportional to 826,633.70, 1,239,950.55 and 616,681.70 is: 925,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,633.70 : 1,239,950.55 = 616,681.70 : x
  2. Step 2: Convert to fraction form
    826,633.70/1,239,950.55 = 616,681.70/x
  3. Step 3: Cross multiply
    826,633.70x = 1,239,950.55 × 616,681.70
  4. Step 4: Simplify right side
    826,633.70x = 764,654,813,089.94
  5. Step 5: Solve for x
    x = 764,654,813,089.94/826,633.70
  6. Step 6: Final answer
    x = 925,022.55

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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.