Home / 941,288.62-1,298,988.32-511,568.76

Finding the Fourth Proportional to 941,288.62, 1,298,988.32 and 511,568.76

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Solution

The fourth proportional to 941,288.62, 1,298,988.32 and 511,568.76 is: 705,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,288.62 : 1,298,988.32 = 511,568.76 : x
  2. Step 2: Convert to fraction form
    941,288.62/1,298,988.32 = 511,568.76/x
  3. Step 3: Cross multiply
    941,288.62x = 1,298,988.32 × 511,568.76
  4. Step 4: Simplify right side
    941,288.62x = 664,521,844,116.88
  5. Step 5: Solve for x
    x = 664,521,844,116.88/941,288.62
  6. Step 6: Final answer
    x = 705,970.34

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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.