Home / 456,739.85-630,296.30-252,791.16

Finding the Fourth Proportional to 456,739.85, 630,296.30 and 252,791.16

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Solution

The fourth proportional to 456,739.85, 630,296.30 and 252,791.16 is: 348,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,739.85 : 630,296.30 = 252,791.16 : x
  2. Step 2: Convert to fraction form
    456,739.85/630,296.30 = 252,791.16/x
  3. Step 3: Cross multiply
    456,739.85x = 630,296.30 × 252,791.16
  4. Step 4: Simplify right side
    456,739.85x = 159,333,333,452.69
  5. Step 5: Solve for x
    x = 159,333,333,452.69/456,739.85
  6. Step 6: Final answer
    x = 348,849.21

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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.