Home / 927,454.83-1,279,865.37-519,573.87

Finding the Fourth Proportional to 927,454.83, 1,279,865.37 and 519,573.87

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Solution

The fourth proportional to 927,454.83, 1,279,865.37 and 519,573.87 is: 716,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,454.83 : 1,279,865.37 = 519,573.87 : x
  2. Step 2: Convert to fraction form
    927,454.83/1,279,865.37 = 519,573.87/x
  3. Step 3: Cross multiply
    927,454.83x = 1,279,865.37 × 519,573.87
  4. Step 4: Simplify right side
    927,454.83x = 664,984,603,369.88
  5. Step 5: Solve for x
    x = 664,984,603,369.88/927,454.83
  6. Step 6: Final answer
    x = 716,999.45

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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.