Home / 463,534.20-695,409.75-143,669.43

Finding the Fourth Proportional to 463,534.20, 695,409.75 and 143,669.43

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Solution

The fourth proportional to 463,534.20, 695,409.75 and 143,669.43 is: 215,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,534.20 : 695,409.75 = 143,669.43 : x
  2. Step 2: Convert to fraction form
    463,534.20/695,409.75 = 143,669.43/x
  3. Step 3: Cross multiply
    463,534.20x = 695,409.75 × 143,669.43
  4. Step 4: Simplify right side
    463,534.20x = 99,909,122,398.94
  5. Step 5: Solve for x
    x = 99,909,122,398.94/463,534.20
  6. Step 6: Final answer
    x = 215,537.76

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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.