Home / 389,058.42-583,587.66-300,441.18

Finding the Fourth Proportional to 389,058.42, 583,587.66 and 300,441.18

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Solution

The fourth proportional to 389,058.42, 583,587.66 and 300,441.18 is: 450,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,058.42 : 583,587.66 = 300,441.18 : x
  2. Step 2: Convert to fraction form
    389,058.42/583,587.66 = 300,441.18/x
  3. Step 3: Cross multiply
    389,058.42x = 583,587.66 × 300,441.18
  4. Step 4: Simplify right side
    389,058.42x = 175,333,765,203.84
  5. Step 5: Solve for x
    x = 175,333,765,203.84/389,058.42
  6. Step 6: Final answer
    x = 450,661.79

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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.