Home / 908,696.36-1,253,944.64-500,775.43

Finding the Fourth Proportional to 908,696.36, 1,253,944.64 and 500,775.43

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Solution

The fourth proportional to 908,696.36, 1,253,944.64 and 500,775.43 is: 691,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,696.36 : 1,253,944.64 = 500,775.43 : x
  2. Step 2: Convert to fraction form
    908,696.36/1,253,944.64 = 500,775.43/x
  3. Step 3: Cross multiply
    908,696.36x = 1,253,944.64 × 500,775.43
  4. Step 4: Simplify right side
    908,696.36x = 627,944,666,292.20
  5. Step 5: Solve for x
    x = 627,944,666,292.20/908,696.36
  6. Step 6: Final answer
    x = 691,039.05

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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.