Home / 734,480.70-1,101,721.05-419,552.70

Finding the Fourth Proportional to 734,480.70, 1,101,721.05 and 419,552.70

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Solution

The fourth proportional to 734,480.70, 1,101,721.05 and 419,552.70 is: 629,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,480.70 : 1,101,721.05 = 419,552.70 : x
  2. Step 2: Convert to fraction form
    734,480.70/1,101,721.05 = 419,552.70/x
  3. Step 3: Cross multiply
    734,480.70x = 1,101,721.05 × 419,552.70
  4. Step 4: Simplify right side
    734,480.70x = 462,230,041,174.34
  5. Step 5: Solve for x
    x = 462,230,041,174.34/734,480.70
  6. Step 6: Final answer
    x = 629,329.05

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Double scale
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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.