Home / 919,849.47-1,269,434.07-511,977.44

Finding the Fourth Proportional to 919,849.47, 1,269,434.07 and 511,977.44

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Solution

The fourth proportional to 919,849.47, 1,269,434.07 and 511,977.44 is: 706,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,849.47 : 1,269,434.07 = 511,977.44 : x
  2. Step 2: Convert to fraction form
    919,849.47/1,269,434.07 = 511,977.44/x
  3. Step 3: Cross multiply
    919,849.47x = 1,269,434.07 × 511,977.44
  4. Step 4: Simplify right side
    919,849.47x = 649,921,599,060.21
  5. Step 5: Solve for x
    x = 649,921,599,060.21/919,849.47
  6. Step 6: Final answer
    x = 706,552.13

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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.