Home / 993,161.80-1,489,742.70-362,096.20

Finding the Fourth Proportional to 993,161.80, 1,489,742.70 and 362,096.20

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Solution

The fourth proportional to 993,161.80, 1,489,742.70 and 362,096.20 is: 543,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,161.80 : 1,489,742.70 = 362,096.20 : x
  2. Step 2: Convert to fraction form
    993,161.80/1,489,742.70 = 362,096.20/x
  3. Step 3: Cross multiply
    993,161.80x = 1,489,742.70 × 362,096.20
  4. Step 4: Simplify right side
    993,161.80x = 539,430,170,647.74
  5. Step 5: Solve for x
    x = 539,430,170,647.74/993,161.80
  6. Step 6: Final answer
    x = 543,144.30

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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.