Home / 941,364.38-1,299,090.76-511,644.40

Finding the Fourth Proportional to 941,364.38, 1,299,090.76 and 511,644.40

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Solution

The fourth proportional to 941,364.38, 1,299,090.76 and 511,644.40 is: 706,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,364.38 : 1,299,090.76 = 511,644.40 : x
  2. Step 2: Convert to fraction form
    941,364.38/1,299,090.76 = 511,644.40/x
  3. Step 3: Cross multiply
    941,364.38x = 1,299,090.76 × 511,644.40
  4. Step 4: Simplify right side
    941,364.38x = 664,672,507,918.91
  5. Step 5: Solve for x
    x = 664,672,507,918.91/941,364.38
  6. Step 6: Final answer
    x = 706,073.57

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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.