Home / 549,101.20-823,786.80-189,277.60

Finding the Fourth Proportional to 549,101.20, 823,786.80 and 189,277.60

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Solution

The fourth proportional to 549,101.20, 823,786.80 and 189,277.60 is: 283,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,101.20 : 823,786.80 = 189,277.60 : x
  2. Step 2: Convert to fraction form
    549,101.20/823,786.80 = 189,277.60/x
  3. Step 3: Cross multiply
    549,101.20x = 823,786.80 × 189,277.60
  4. Step 4: Simplify right side
    549,101.20x = 155,924,388,415.68
  5. Step 5: Solve for x
    x = 155,924,388,415.68/549,101.20
  6. Step 6: Final answer
    x = 283,962.94

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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.