Home / 930,890.70-1,396,336.05-659,265.30

Finding the Fourth Proportional to 930,890.70, 1,396,336.05 and 659,265.30

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Solution

The fourth proportional to 930,890.70, 1,396,336.05 and 659,265.30 is: 988,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,890.70 : 1,396,336.05 = 659,265.30 : x
  2. Step 2: Convert to fraction form
    930,890.70/1,396,336.05 = 659,265.30/x
  3. Step 3: Cross multiply
    930,890.70x = 1,396,336.05 × 659,265.30
  4. Step 4: Simplify right side
    930,890.70x = 920,555,904,904.07
  5. Step 5: Solve for x
    x = 920,555,904,904.07/930,890.70
  6. Step 6: Final answer
    x = 988,897.95

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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.