Home / 734,589.40-1,100,040.90-483,914.20

Finding the Fourth Proportional to 734,589.40, 1,100,040.90 and 483,914.20

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Solution

The fourth proportional to 734,589.40, 1,100,040.90 and 483,914.20 is: 724,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,589.40 : 1,100,040.90 = 483,914.20 : x
  2. Step 2: Convert to fraction form
    734,589.40/1,100,040.90 = 483,914.20/x
  3. Step 3: Cross multiply
    734,589.40x = 1,100,040.90 × 483,914.20
  4. Step 4: Simplify right side
    734,589.40x = 532,325,412,090.78
  5. Step 5: Solve for x
    x = 532,325,412,090.78/734,589.40
  6. Step 6: Final answer
    x = 724,657.08

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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.