Home / 445,086.75-614,219.73-243,878.43

Finding the Fourth Proportional to 445,086.75, 614,219.73 and 243,878.43

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Solution

The fourth proportional to 445,086.75, 614,219.73 and 243,878.43 is: 336,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,086.75 : 614,219.73 = 243,878.43 : x
  2. Step 2: Convert to fraction form
    445,086.75/614,219.73 = 243,878.43/x
  3. Step 3: Cross multiply
    445,086.75x = 614,219.73 × 243,878.43
  4. Step 4: Simplify right side
    445,086.75x = 149,794,943,427.42
  5. Step 5: Solve for x
    x = 149,794,943,427.42/445,086.75
  6. Step 6: Final answer
    x = 336,552.24

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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.