Home / 908,440.82-1,253,663.22-500,536.77

Finding the Fourth Proportional to 908,440.82, 1,253,663.22 and 500,536.77

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Solution

The fourth proportional to 908,440.82, 1,253,663.22 and 500,536.77 is: 690,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,440.82 : 1,253,663.22 = 500,536.77 : x
  2. Step 2: Convert to fraction form
    908,440.82/1,253,663.22 = 500,536.77/x
  3. Step 3: Cross multiply
    908,440.82x = 1,253,663.22 × 500,536.77
  4. Step 4: Simplify right side
    908,440.82x = 627,504,535,982.38
  5. Step 5: Solve for x
    x = 627,504,535,982.38/908,440.82
  6. Step 6: Final answer
    x = 690,748.94

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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.