Home / 549,040.80-823,561.20-194,455.20

Finding the Fourth Proportional to 549,040.80, 823,561.20 and 194,455.20

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Solution

The fourth proportional to 549,040.80, 823,561.20 and 194,455.20 is: 291,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,040.80 : 823,561.20 = 194,455.20 : x
  2. Step 2: Convert to fraction form
    549,040.80/823,561.20 = 194,455.20/x
  3. Step 3: Cross multiply
    549,040.80x = 823,561.20 × 194,455.20
  4. Step 4: Simplify right side
    549,040.80x = 160,145,757,858.24
  5. Step 5: Solve for x
    x = 160,145,757,858.24/549,040.80
  6. Step 6: Final answer
    x = 291,682.80

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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.