Home / 941,009.97-1,298,598.57-511,291.20

Finding the Fourth Proportional to 941,009.97, 1,298,598.57 and 511,291.20

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Solution

The fourth proportional to 941,009.97, 1,298,598.57 and 511,291.20 is: 705,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,009.97 : 1,298,598.57 = 511,291.20 : x
  2. Step 2: Convert to fraction form
    941,009.97/1,298,598.57 = 511,291.20/x
  3. Step 3: Cross multiply
    941,009.97x = 1,298,598.57 × 511,291.20
  4. Step 4: Simplify right side
    941,009.97x = 663,962,021,173.58
  5. Step 5: Solve for x
    x = 663,962,021,173.58/941,009.97
  6. Step 6: Final answer
    x = 705,584.47

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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.