Home / 677,675.70-1,016,513.55-373,245.30

Finding the Fourth Proportional to 677,675.70, 1,016,513.55 and 373,245.30

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Solution

The fourth proportional to 677,675.70, 1,016,513.55 and 373,245.30 is: 559,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,675.70 : 1,016,513.55 = 373,245.30 : x
  2. Step 2: Convert to fraction form
    677,675.70/1,016,513.55 = 373,245.30/x
  3. Step 3: Cross multiply
    677,675.70x = 1,016,513.55 × 373,245.30
  4. Step 4: Simplify right side
    677,675.70x = 379,408,904,923.82
  5. Step 5: Solve for x
    x = 379,408,904,923.82/677,675.70
  6. Step 6: Final answer
    x = 559,867.95

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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.