Home / 798,470.16-1,101,887.76-511,989.56

Finding the Fourth Proportional to 798,470.16, 1,101,887.76 and 511,989.56

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Solution

The fourth proportional to 798,470.16, 1,101,887.76 and 511,989.56 is: 706,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,470.16 : 1,101,887.76 = 511,989.56 : x
  2. Step 2: Convert to fraction form
    798,470.16/1,101,887.76 = 511,989.56/x
  3. Step 3: Cross multiply
    798,470.16x = 1,101,887.76 × 511,989.56
  4. Step 4: Simplify right side
    798,470.16x = 564,155,026,354.44
  5. Step 5: Solve for x
    x = 564,155,026,354.44/798,470.16
  6. Step 6: Final answer
    x = 706,544.91

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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.