Home / 830,667.05-1,246,000.58-547,231.85

Finding the Fourth Proportional to 830,667.05, 1,246,000.58 and 547,231.85

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Solution

The fourth proportional to 830,667.05, 1,246,000.58 and 547,231.85 is: 820,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,667.05 : 1,246,000.58 = 547,231.85 : x
  2. Step 2: Convert to fraction form
    830,667.05/1,246,000.58 = 547,231.85/x
  3. Step 3: Cross multiply
    830,667.05x = 1,246,000.58 × 547,231.85
  4. Step 4: Simplify right side
    830,667.05x = 681,851,199,758.31
  5. Step 5: Solve for x
    x = 681,851,199,758.31/830,667.05
  6. Step 6: Final answer
    x = 820,847.78

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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.