Home / 734,177.40-1,101,266.10-419,249.40

Finding the Fourth Proportional to 734,177.40, 1,101,266.10 and 419,249.40

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Solution

The fourth proportional to 734,177.40, 1,101,266.10 and 419,249.40 is: 628,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,177.40 : 1,101,266.10 = 419,249.40 : x
  2. Step 2: Convert to fraction form
    734,177.40/1,101,266.10 = 419,249.40/x
  3. Step 3: Cross multiply
    734,177.40x = 1,101,266.10 × 419,249.40
  4. Step 4: Simplify right side
    734,177.40x = 461,705,151,665.34
  5. Step 5: Solve for x
    x = 461,705,151,665.34/734,177.40
  6. Step 6: Final answer
    x = 628,874.10

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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.