Home / 905,536.82-1,358,501.25-274,498.22

Finding the Fourth Proportional to 905,536.82, 1,358,501.25 and 274,498.22

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Solution

The fourth proportional to 905,536.82, 1,358,501.25 and 274,498.22 is: 411,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,536.82 : 1,358,501.25 = 274,498.22 : x
  2. Step 2: Convert to fraction form
    905,536.82/1,358,501.25 = 274,498.22/x
  3. Step 3: Cross multiply
    905,536.82x = 1,358,501.25 × 274,498.22
  4. Step 4: Simplify right side
    905,536.82x = 372,906,168,200.27
  5. Step 5: Solve for x
    x = 372,906,168,200.27/905,536.82
  6. Step 6: Final answer
    x = 411,806.74

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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.