Home / 583,915.06-805,830.39-329,260.78

Finding the Fourth Proportional to 583,915.06, 805,830.39 and 329,260.78

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Solution

The fourth proportional to 583,915.06, 805,830.39 and 329,260.78 is: 454,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,915.06 : 805,830.39 = 329,260.78 : x
  2. Step 2: Convert to fraction form
    583,915.06/805,830.39 = 329,260.78/x
  3. Step 3: Cross multiply
    583,915.06x = 805,830.39 × 329,260.78
  4. Step 4: Simplify right side
    583,915.06x = 265,328,342,759.10
  5. Step 5: Solve for x
    x = 265,328,342,759.10/583,915.06
  6. Step 6: Final answer
    x = 454,395.44

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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.