Home / 958,155.82-1,321,921.10-614,181.38

Finding the Fourth Proportional to 958,155.82, 1,321,921.10 and 614,181.38

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Solution

The fourth proportional to 958,155.82, 1,321,921.10 and 614,181.38 is: 847,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,155.82 : 1,321,921.10 = 614,181.38 : x
  2. Step 2: Convert to fraction form
    958,155.82/1,321,921.10 = 614,181.38/x
  3. Step 3: Cross multiply
    958,155.82x = 1,321,921.10 × 614,181.38
  4. Step 4: Simplify right side
    958,155.82x = 811,899,320,374.97
  5. Step 5: Solve for x
    x = 811,899,320,374.97/958,155.82
  6. Step 6: Final answer
    x = 847,356.25

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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.