Home / 1,102,992.00-1,521,892.86-643,898.23

Finding the Fourth Proportional to 1,102,992.00, 1,521,892.86 and 643,898.23

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Solution

The fourth proportional to 1,102,992.00, 1,521,892.86 and 643,898.23 is: 888,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,992.00 : 1,521,892.86 = 643,898.23 : x
  2. Step 2: Convert to fraction form
    1,102,992.00/1,521,892.86 = 643,898.23/x
  3. Step 3: Cross multiply
    1,102,992.00x = 1,521,892.86 × 643,898.23
  4. Step 4: Simplify right side
    1,102,992.00x = 979,944,118,291.39
  5. Step 5: Solve for x
    x = 979,944,118,291.39/1,102,992.00
  6. Step 6: Final answer
    x = 888,441.72

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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.