Home / 1,199,143.90-1,653,674.83-785,062.77

Finding the Fourth Proportional to 1,199,143.90, 1,653,674.83 and 785,062.77

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Solution

The fourth proportional to 1,199,143.90, 1,653,674.83 and 785,062.77 is: 1,082,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,143.90 : 1,653,674.83 = 785,062.77 : x
  2. Step 2: Convert to fraction form
    1,199,143.90/1,653,674.83 = 785,062.77/x
  3. Step 3: Cross multiply
    1,199,143.90x = 1,653,674.83 × 785,062.77
  4. Step 4: Simplify right side
    1,199,143.90x = 1,298,238,542,719.08
  5. Step 5: Solve for x
    x = 1,298,238,542,719.08/1,199,143.90
  6. Step 6: Final answer
    x = 1,082,637.82

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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.