Home / 734,345.88-1,101,571.47-307,452.12

Finding the Fourth Proportional to 734,345.88, 1,101,571.47 and 307,452.12

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Solution

The fourth proportional to 734,345.88, 1,101,571.47 and 307,452.12 is: 461,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,345.88 : 1,101,571.47 = 307,452.12 : x
  2. Step 2: Convert to fraction form
    734,345.88/1,101,571.47 = 307,452.12/x
  3. Step 3: Cross multiply
    734,345.88x = 1,101,571.47 × 307,452.12
  4. Step 4: Simplify right side
    734,345.88x = 338,680,483,783.02
  5. Step 5: Solve for x
    x = 338,680,483,783.02/734,345.88
  6. Step 6: Final answer
    x = 461,200.22

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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.