Home / 549,437.24-823,086.66-405,080.12

Finding the Fourth Proportional to 549,437.24, 823,086.66 and 405,080.12

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Solution

The fourth proportional to 549,437.24, 823,086.66 and 405,080.12 is: 606,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,437.24 : 823,086.66 = 405,080.12 : x
  2. Step 2: Convert to fraction form
    549,437.24/823,086.66 = 405,080.12/x
  3. Step 3: Cross multiply
    549,437.24x = 823,086.66 × 405,080.12
  4. Step 4: Simplify right side
    549,437.24x = 333,416,043,003.20
  5. Step 5: Solve for x
    x = 333,416,043,003.20/549,437.24
  6. Step 6: Final answer
    x = 606,831.90

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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.