Home / 928,550.52-1,392,826.23-612,933.66

Finding the Fourth Proportional to 928,550.52, 1,392,826.23 and 612,933.66

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Solution

The fourth proportional to 928,550.52, 1,392,826.23 and 612,933.66 is: 919,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,550.52 : 1,392,826.23 = 612,933.66 : x
  2. Step 2: Convert to fraction form
    928,550.52/1,392,826.23 = 612,933.66/x
  3. Step 3: Cross multiply
    928,550.52x = 1,392,826.23 × 612,933.66
  4. Step 4: Simplify right side
    928,550.52x = 853,710,078,897.90
  5. Step 5: Solve for x
    x = 853,710,078,897.90/928,550.52
  6. Step 6: Final answer
    x = 919,400.79

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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.