Home / 450,181.45-621,304.01-259,232.05

Finding the Fourth Proportional to 450,181.45, 621,304.01 and 259,232.05

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Solution

The fourth proportional to 450,181.45, 621,304.01 and 259,232.05 is: 357,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,181.45 : 621,304.01 = 259,232.05 : x
  2. Step 2: Convert to fraction form
    450,181.45/621,304.01 = 259,232.05/x
  3. Step 3: Cross multiply
    450,181.45x = 621,304.01 × 259,232.05
  4. Step 4: Simplify right side
    450,181.45x = 161,061,912,185.52
  5. Step 5: Solve for x
    x = 161,061,912,185.52/450,181.45
  6. Step 6: Final answer
    x = 357,771.10

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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.