Home / 614,187.36-847,581.93-356,217.21

Finding the Fourth Proportional to 614,187.36, 847,581.93 and 356,217.21

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Solution

The fourth proportional to 614,187.36, 847,581.93 and 356,217.21 is: 491,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,187.36 : 847,581.93 = 356,217.21 : x
  2. Step 2: Convert to fraction form
    614,187.36/847,581.93 = 356,217.21/x
  3. Step 3: Cross multiply
    614,187.36x = 847,581.93 × 356,217.21
  4. Step 4: Simplify right side
    614,187.36x = 301,923,270,351.02
  5. Step 5: Solve for x
    x = 301,923,270,351.02/614,187.36
  6. Step 6: Final answer
    x = 491,581.71

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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.