Home / 389,833.11-583,698.30-254,562.09

Finding the Fourth Proportional to 389,833.11, 583,698.30 and 254,562.09

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Solution

The fourth proportional to 389,833.11, 583,698.30 and 254,562.09 is: 381,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,833.11 : 583,698.30 = 254,562.09 : x
  2. Step 2: Convert to fraction form
    389,833.11/583,698.30 = 254,562.09/x
  3. Step 3: Cross multiply
    389,833.11x = 583,698.30 × 254,562.09
  4. Step 4: Simplify right side
    389,833.11x = 148,587,459,177.45
  5. Step 5: Solve for x
    x = 148,587,459,177.45/389,833.11
  6. Step 6: Final answer
    x = 381,156.59

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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.