Home / 927,038.31-1,279,169.17-519,157.41

Finding the Fourth Proportional to 927,038.31, 1,279,169.17 and 519,157.41

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Solution

The fourth proportional to 927,038.31, 1,279,169.17 and 519,157.41 is: 716,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,038.31 : 1,279,169.17 = 519,157.41 : x
  2. Step 2: Convert to fraction form
    927,038.31/1,279,169.17 = 519,157.41/x
  3. Step 3: Cross multiply
    927,038.31x = 1,279,169.17 × 519,157.41
  4. Step 4: Simplify right side
    927,038.31x = 664,090,153,249.05
  5. Step 5: Solve for x
    x = 664,090,153,249.05/927,038.31
  6. Step 6: Final answer
    x = 716,356.75

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1.5x scale

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.