Home / 927,037.31-1,279,167.80-519,156.41

Finding the Fourth Proportional to 927,037.31, 1,279,167.80 and 519,156.41

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Solution

The fourth proportional to 927,037.31, 1,279,167.80 and 519,156.41 is: 716,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,037.31 : 1,279,167.80 = 519,156.41 : x
  2. Step 2: Convert to fraction form
    927,037.31/1,279,167.80 = 519,156.41/x
  3. Step 3: Cross multiply
    927,037.31x = 1,279,167.80 × 519,156.41
  4. Step 4: Simplify right side
    927,037.31x = 664,088,153,843.98
  5. Step 5: Solve for x
    x = 664,088,153,843.98/927,037.31
  6. Step 6: Final answer
    x = 716,355.37

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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.