Home / 1,289,793.29-1,934,694.44-391,242.77

Finding the Fourth Proportional to 1,289,793.29, 1,934,694.44 and 391,242.77

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Solution

The fourth proportional to 1,289,793.29, 1,934,694.44 and 391,242.77 is: 586,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,793.29 : 1,934,694.44 = 391,242.77 : x
  2. Step 2: Convert to fraction form
    1,289,793.29/1,934,694.44 = 391,242.77/x
  3. Step 3: Cross multiply
    1,289,793.29x = 1,934,694.44 × 391,242.77
  4. Step 4: Simplify right side
    1,289,793.29x = 756,935,211,809.20
  5. Step 5: Solve for x
    x = 756,935,211,809.20/1,289,793.29
  6. Step 6: Final answer
    x = 586,865.52

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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.