Home / 450,439.85-621,580.35-246,450.12

Finding the Fourth Proportional to 450,439.85, 621,580.35 and 246,450.12

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Solution

The fourth proportional to 450,439.85, 621,580.35 and 246,450.12 is: 340,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,439.85 : 621,580.35 = 246,450.12 : x
  2. Step 2: Convert to fraction form
    450,439.85/621,580.35 = 246,450.12/x
  3. Step 3: Cross multiply
    450,439.85x = 621,580.35 × 246,450.12
  4. Step 4: Simplify right side
    450,439.85x = 153,188,551,847.14
  5. Step 5: Solve for x
    x = 153,188,551,847.14/450,439.85
  6. Step 6: Final answer
    x = 340,086.59

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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.