Home / 976,284.86-1,347,112.73-613,451.77

Finding the Fourth Proportional to 976,284.86, 1,347,112.73 and 613,451.77

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Solution

The fourth proportional to 976,284.86, 1,347,112.73 and 613,451.77 is: 846,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,284.86 : 1,347,112.73 = 613,451.77 : x
  2. Step 2: Convert to fraction form
    976,284.86/1,347,112.73 = 613,451.77/x
  3. Step 3: Cross multiply
    976,284.86x = 1,347,112.73 × 613,451.77
  4. Step 4: Simplify right side
    976,284.86x = 826,388,688,608.03
  5. Step 5: Solve for x
    x = 826,388,688,608.03/976,284.86
  6. Step 6: Final answer
    x = 846,462.67

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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.