Home / 387,619.24-534,871.72-232,562.30

Finding the Fourth Proportional to 387,619.24, 534,871.72 and 232,562.30

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Solution

The fourth proportional to 387,619.24, 534,871.72 and 232,562.30 is: 320,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,619.24 : 534,871.72 = 232,562.30 : x
  2. Step 2: Convert to fraction form
    387,619.24/534,871.72 = 232,562.30/x
  3. Step 3: Cross multiply
    387,619.24x = 534,871.72 × 232,562.30
  4. Step 4: Simplify right side
    387,619.24x = 124,390,997,408.16
  5. Step 5: Solve for x
    x = 124,390,997,408.16/387,619.24
  6. Step 6: Final answer
    x = 320,910.28

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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.