Home / 1,241.07-1,861.25-624.35

Finding the Fourth Proportional to 1,241.07, 1,861.25 and 624.35

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Solution

The fourth proportional to 1,241.07, 1,861.25 and 624.35 is: 936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.07 : 1,861.25 = 624.35 : x
  2. Step 2: Convert to fraction form
    1,241.07/1,861.25 = 624.35/x
  3. Step 3: Cross multiply
    1,241.07x = 1,861.25 × 624.35
  4. Step 4: Simplify right side
    1,241.07x = 1,162,059.01
  5. Step 5: Solve for x
    x = 1,162,059.01/1,241.07
  6. Step 6: Final answer
    x = 936.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.