Home / 1,224,272.80-1,836,409.20-515,101.60

Finding the Fourth Proportional to 1,224,272.80, 1,836,409.20 and 515,101.60

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Solution

The fourth proportional to 1,224,272.80, 1,836,409.20 and 515,101.60 is: 772,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,272.80 : 1,836,409.20 = 515,101.60 : x
  2. Step 2: Convert to fraction form
    1,224,272.80/1,836,409.20 = 515,101.60/x
  3. Step 3: Cross multiply
    1,224,272.80x = 1,836,409.20 × 515,101.60
  4. Step 4: Simplify right side
    1,224,272.80x = 945,937,317,174.72
  5. Step 5: Solve for x
    x = 945,937,317,174.72/1,224,272.80
  6. Step 6: Final answer
    x = 772,652.40

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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.