Home / 908,083.09-1,253,163.32-500,186.73

Finding the Fourth Proportional to 908,083.09, 1,253,163.32 and 500,186.73

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Solution

The fourth proportional to 908,083.09, 1,253,163.32 and 500,186.73 is: 690,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,083.09 : 1,253,163.32 = 500,186.73 : x
  2. Step 2: Convert to fraction form
    908,083.09/1,253,163.32 = 500,186.73/x
  3. Step 3: Cross multiply
    908,083.09x = 1,253,163.32 × 500,186.73
  4. Step 4: Simplify right side
    908,083.09x = 626,815,663,186.74
  5. Step 5: Solve for x
    x = 626,815,663,186.74/908,083.09
  6. Step 6: Final answer
    x = 690,262.46

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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.