Home / 941,702.52-1,299,522.78-511,972.68

Finding the Fourth Proportional to 941,702.52, 1,299,522.78 and 511,972.68

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Solution

The fourth proportional to 941,702.52, 1,299,522.78 and 511,972.68 is: 706,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,702.52 : 1,299,522.78 = 511,972.68 : x
  2. Step 2: Convert to fraction form
    941,702.52/1,299,522.78 = 511,972.68/x
  3. Step 3: Cross multiply
    941,702.52x = 1,299,522.78 × 511,972.68
  4. Step 4: Simplify right side
    941,702.52x = 665,320,160,397.65
  5. Step 5: Solve for x
    x = 665,320,160,397.65/941,702.52
  6. Step 6: Final answer
    x = 706,507.78

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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.