Home / 1,972,346.85-2,957,379.39-772,864.83

Finding the Fourth Proportional to 1,972,346.85, 2,957,379.39 and 772,864.83

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Solution

The fourth proportional to 1,972,346.85, 2,957,379.39 and 772,864.83 is: 1,158,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,346.85 : 2,957,379.39 = 772,864.83 : x
  2. Step 2: Convert to fraction form
    1,972,346.85/2,957,379.39 = 772,864.83/x
  3. Step 3: Cross multiply
    1,972,346.85x = 2,957,379.39 × 772,864.83
  4. Step 4: Simplify right side
    1,972,346.85x = 2,285,654,519,497.85
  5. Step 5: Solve for x
    x = 2,285,654,519,497.85/1,972,346.85
  6. Step 6: Final answer
    x = 1,158,850.19

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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.