Home / 1,402,992.18-2,104,492.62-392,107.47

Finding the Fourth Proportional to 1,402,992.18, 2,104,492.62 and 392,107.47

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Solution

The fourth proportional to 1,402,992.18, 2,104,492.62 and 392,107.47 is: 588,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,992.18 : 2,104,492.62 = 392,107.47 : x
  2. Step 2: Convert to fraction form
    1,402,992.18/2,104,492.62 = 392,107.47/x
  3. Step 3: Cross multiply
    1,402,992.18x = 2,104,492.62 × 392,107.47
  4. Step 4: Simplify right side
    1,402,992.18x = 825,187,276,861.87
  5. Step 5: Solve for x
    x = 825,187,276,861.87/1,402,992.18
  6. Step 6: Final answer
    x = 588,162.42

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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.