Home / 958,155.91-1,321,921.24-614,181.47

Finding the Fourth Proportional to 958,155.91, 1,321,921.24 and 614,181.47

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Solution

The fourth proportional to 958,155.91, 1,321,921.24 and 614,181.47 is: 847,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,155.91 : 1,321,921.24 = 614,181.47 : x
  2. Step 2: Convert to fraction form
    958,155.91/1,321,921.24 = 614,181.47/x
  3. Step 3: Cross multiply
    958,155.91x = 1,321,921.24 × 614,181.47
  4. Step 4: Simplify right side
    958,155.91x = 811,899,527,219.57
  5. Step 5: Solve for x
    x = 811,899,527,219.57/958,155.91
  6. Step 6: Final answer
    x = 847,356.38

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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.