Home / 417,121.02-575,321.27-273,828.78

Finding the Fourth Proportional to 417,121.02, 575,321.27 and 273,828.78

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Solution

The fourth proportional to 417,121.02, 575,321.27 and 273,828.78 is: 377,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,121.02 : 575,321.27 = 273,828.78 : x
  2. Step 2: Convert to fraction form
    417,121.02/575,321.27 = 273,828.78/x
  3. Step 3: Cross multiply
    417,121.02x = 575,321.27 × 273,828.78
  4. Step 4: Simplify right side
    417,121.02x = 157,539,520,103.01
  5. Step 5: Solve for x
    x = 157,539,520,103.01/417,121.02
  6. Step 6: Final answer
    x = 377,683.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.