Home / 976,997.70-1,465,496.55-471,800.70

Finding the Fourth Proportional to 976,997.70, 1,465,496.55 and 471,800.70

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Solution

The fourth proportional to 976,997.70, 1,465,496.55 and 471,800.70 is: 707,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,997.70 : 1,465,496.55 = 471,800.70 : x
  2. Step 2: Convert to fraction form
    976,997.70/1,465,496.55 = 471,800.70/x
  3. Step 3: Cross multiply
    976,997.70x = 1,465,496.55 × 471,800.70
  4. Step 4: Simplify right side
    976,997.70x = 691,422,298,137.59
  5. Step 5: Solve for x
    x = 691,422,298,137.59/976,997.70
  6. Step 6: Final answer
    x = 707,701.05

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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.