Home / 1,017,243.09-1,404,960.54-669,936.05

Finding the Fourth Proportional to 1,017,243.09, 1,404,960.54 and 669,936.05

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Solution

The fourth proportional to 1,017,243.09, 1,404,960.54 and 669,936.05 is: 925,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,243.09 : 1,404,960.54 = 669,936.05 : x
  2. Step 2: Convert to fraction form
    1,017,243.09/1,404,960.54 = 669,936.05/x
  3. Step 3: Cross multiply
    1,017,243.09x = 1,404,960.54 × 669,936.05
  4. Step 4: Simplify right side
    1,017,243.09x = 941,233,714,573.47
  5. Step 5: Solve for x
    x = 941,233,714,573.47/1,017,243.09
  6. Step 6: Final answer
    x = 925,279.04

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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.