Home / 941,132.87-1,298,762.36-511,411.97

Finding the Fourth Proportional to 941,132.87, 1,298,762.36 and 511,411.97

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Solution

The fourth proportional to 941,132.87, 1,298,762.36 and 511,411.97 is: 705,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,132.87 : 1,298,762.36 = 511,411.97 : x
  2. Step 2: Convert to fraction form
    941,132.87/1,298,762.36 = 511,411.97/x
  3. Step 3: Cross multiply
    941,132.87x = 1,298,762.36 × 511,411.97
  4. Step 4: Simplify right side
    941,132.87x = 664,202,611,874.17
  5. Step 5: Solve for x
    x = 664,202,611,874.17/941,132.87
  6. Step 6: Final answer
    x = 705,747.97

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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.