Home / 521,479.17-782,284.37-184,440.60

Finding the Fourth Proportional to 521,479.17, 782,284.37 and 184,440.60

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Solution

The fourth proportional to 521,479.17, 782,284.37 and 184,440.60 is: 276,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,479.17 : 782,284.37 = 184,440.60 : x
  2. Step 2: Convert to fraction form
    521,479.17/782,284.37 = 184,440.60/x
  3. Step 3: Cross multiply
    521,479.17x = 782,284.37 × 184,440.60
  4. Step 4: Simplify right side
    521,479.17x = 144,284,997,651.22
  5. Step 5: Solve for x
    x = 144,284,997,651.22/521,479.17
  6. Step 6: Final answer
    x = 276,684.11

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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.