Home / 734,809.98-1,101,188.16-397,122.60

Finding the Fourth Proportional to 734,809.98, 1,101,188.16 and 397,122.60

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Solution

The fourth proportional to 734,809.98, 1,101,188.16 and 397,122.60 is: 595,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,809.98 : 1,101,188.16 = 397,122.60 : x
  2. Step 2: Convert to fraction form
    734,809.98/1,101,188.16 = 397,122.60/x
  3. Step 3: Cross multiply
    734,809.98x = 1,101,188.16 × 397,122.60
  4. Step 4: Simplify right side
    734,809.98x = 437,306,705,188.42
  5. Step 5: Solve for x
    x = 437,306,705,188.42/734,809.98
  6. Step 6: Final answer
    x = 595,128.97

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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.