Home / 1,665,951.10-2,498,926.74-403,778.72

Finding the Fourth Proportional to 1,665,951.10, 2,498,926.74 and 403,778.72

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Solution

The fourth proportional to 1,665,951.10, 2,498,926.74 and 403,778.72 is: 605,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,951.10 : 2,498,926.74 = 403,778.72 : x
  2. Step 2: Convert to fraction form
    1,665,951.10/2,498,926.74 = 403,778.72/x
  3. Step 3: Cross multiply
    1,665,951.10x = 2,498,926.74 × 403,778.72
  4. Step 4: Simplify right side
    1,665,951.10x = 1,009,013,440,450.97
  5. Step 5: Solve for x
    x = 1,009,013,440,450.97/1,665,951.10
  6. Step 6: Final answer
    x = 605,668.10

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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.