Home / 612,449.29-845,136.15-336,826.55

Finding the Fourth Proportional to 612,449.29, 845,136.15 and 336,826.55

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Solution

The fourth proportional to 612,449.29, 845,136.15 and 336,826.55 is: 464,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,449.29 : 845,136.15 = 336,826.55 : x
  2. Step 2: Convert to fraction form
    612,449.29/845,136.15 = 336,826.55/x
  3. Step 3: Cross multiply
    612,449.29x = 845,136.15 × 336,826.55
  4. Step 4: Simplify right side
    612,449.29x = 284,664,292,000.65
  5. Step 5: Solve for x
    x = 284,664,292,000.65/612,449.29
  6. Step 6: Final answer
    x = 464,796.51

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1.5x scale

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.