Home / 1,213,953.60-1,821,173.40-361,023.60

Finding the Fourth Proportional to 1,213,953.60, 1,821,173.40 and 361,023.60

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Solution

The fourth proportional to 1,213,953.60, 1,821,173.40 and 361,023.60 is: 541,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,953.60 : 1,821,173.40 = 361,023.60 : x
  2. Step 2: Convert to fraction form
    1,213,953.60/1,821,173.40 = 361,023.60/x
  3. Step 3: Cross multiply
    1,213,953.60x = 1,821,173.40 × 361,023.60
  4. Step 4: Simplify right side
    1,213,953.60x = 657,486,577,092.24
  5. Step 5: Solve for x
    x = 657,486,577,092.24/1,213,953.60
  6. Step 6: Final answer
    x = 541,607.67

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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.