Home / 976,015.10-1,346,709.38-613,228.76

Finding the Fourth Proportional to 976,015.10, 1,346,709.38 and 613,228.76

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Solution

The fourth proportional to 976,015.10, 1,346,709.38 and 613,228.76 is: 846,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,015.10 : 1,346,709.38 = 613,228.76 : x
  2. Step 2: Convert to fraction form
    976,015.10/1,346,709.38 = 613,228.76/x
  3. Step 3: Cross multiply
    976,015.10x = 1,346,709.38 × 613,228.76
  4. Step 4: Simplify right side
    976,015.10x = 825,840,923,177.77
  5. Step 5: Solve for x
    x = 825,840,923,177.77/976,015.10
  6. Step 6: Final answer
    x = 846,135.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.