Home / 977,194.20-1,465,791.30-346,171.80

Finding the Fourth Proportional to 977,194.20, 1,465,791.30 and 346,171.80

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Solution

The fourth proportional to 977,194.20, 1,465,791.30 and 346,171.80 is: 519,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,194.20 : 1,465,791.30 = 346,171.80 : x
  2. Step 2: Convert to fraction form
    977,194.20/1,465,791.30 = 346,171.80/x
  3. Step 3: Cross multiply
    977,194.20x = 1,465,791.30 × 346,171.80
  4. Step 4: Simplify right side
    977,194.20x = 507,415,612,745.34
  5. Step 5: Solve for x
    x = 507,415,612,745.34/977,194.20
  6. Step 6: Final answer
    x = 519,257.70

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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.