Home / 734,541.70-1,101,812.55-419,613.70

Finding the Fourth Proportional to 734,541.70, 1,101,812.55 and 419,613.70

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Solution

The fourth proportional to 734,541.70, 1,101,812.55 and 419,613.70 is: 629,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,541.70 : 1,101,812.55 = 419,613.70 : x
  2. Step 2: Convert to fraction form
    734,541.70/1,101,812.55 = 419,613.70/x
  3. Step 3: Cross multiply
    734,541.70x = 1,101,812.55 × 419,613.70
  4. Step 4: Simplify right side
    734,541.70x = 462,335,640,811.94
  5. Step 5: Solve for x
    x = 462,335,640,811.94/734,541.70
  6. Step 6: Final answer
    x = 629,420.55

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Similar ratio
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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.