Home / 374,826.80-562,499.40-269,721.20

Finding the Fourth Proportional to 374,826.80, 562,499.40 and 269,721.20

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Solution

The fourth proportional to 374,826.80, 562,499.40 and 269,721.20 is: 404,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,826.80 : 562,499.40 = 269,721.20 : x
  2. Step 2: Convert to fraction form
    374,826.80/562,499.40 = 269,721.20/x
  3. Step 3: Cross multiply
    374,826.80x = 562,499.40 × 269,721.20
  4. Step 4: Simplify right side
    374,826.80x = 151,718,013,167.28
  5. Step 5: Solve for x
    x = 151,718,013,167.28/374,826.80
  6. Step 6: Final answer
    x = 404,768.32

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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.