Home / 1,665,135.77-2,297,894.09-901,189.13

Finding the Fourth Proportional to 1,665,135.77, 2,297,894.09 and 901,189.13

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Solution

The fourth proportional to 1,665,135.77, 2,297,894.09 and 901,189.13 is: 1,243,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,135.77 : 2,297,894.09 = 901,189.13 : x
  2. Step 2: Convert to fraction form
    1,665,135.77/2,297,894.09 = 901,189.13/x
  3. Step 3: Cross multiply
    1,665,135.77x = 2,297,894.09 × 901,189.13
  4. Step 4: Simplify right side
    1,665,135.77x = 2,070,837,159,803.83
  5. Step 5: Solve for x
    x = 2,070,837,159,803.83/1,665,135.77
  6. Step 6: Final answer
    x = 1,243,644.63

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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.