Home / 927,146.24-1,279,356-519,191.36

Finding the Fourth Proportional to 927,146.24, 1,279,356 and 519,191.36

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Solution

The fourth proportional to 927,146.24, 1,279,356 and 519,191.36 is: 716,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,146.24 : 1,279,356 = 519,191.36 : x
  2. Step 2: Convert to fraction form
    927,146.24/1,279,356 = 519,191.36/x
  3. Step 3: Cross multiply
    927,146.24x = 1,279,356 × 519,191.36
  4. Step 4: Simplify right side
    927,146.24x = 664,230,581,564.16
  5. Step 5: Solve for x
    x = 664,230,581,564.16/927,146.24
  6. Step 6: Final answer
    x = 716,424.82

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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.