Home / 1,665,181.78-2,297,950.80-901,235.36

Finding the Fourth Proportional to 1,665,181.78, 2,297,950.80 and 901,235.36

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Solution

The fourth proportional to 1,665,181.78, 2,297,950.80 and 901,235.36 is: 1,243,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,181.78 : 2,297,950.80 = 901,235.36 : x
  2. Step 2: Convert to fraction form
    1,665,181.78/2,297,950.80 = 901,235.36/x
  3. Step 3: Cross multiply
    1,665,181.78x = 2,297,950.80 × 901,235.36
  4. Step 4: Simplify right side
    1,665,181.78x = 2,070,994,516,500.29
  5. Step 5: Solve for x
    x = 2,070,994,516,500.29/1,665,181.78
  6. Step 6: Final answer
    x = 1,243,704.77

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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.