Home / 583,780.95-805,586.43-329,115.73

Finding the Fourth Proportional to 583,780.95, 805,586.43 and 329,115.73

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Solution

The fourth proportional to 583,780.95, 805,586.43 and 329,115.73 is: 454,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,780.95 : 805,586.43 = 329,115.73 : x
  2. Step 2: Convert to fraction form
    583,780.95/805,586.43 = 329,115.73/x
  3. Step 3: Cross multiply
    583,780.95x = 805,586.43 × 329,115.73
  4. Step 4: Simplify right side
    583,780.95x = 265,131,165,987.54
  5. Step 5: Solve for x
    x = 265,131,165,987.54/583,780.95
  6. Step 6: Final answer
    x = 454,162.07

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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.