Home / 1,384,173.38-1,910,164.55-772,351.93

Finding the Fourth Proportional to 1,384,173.38, 1,910,164.55 and 772,351.93

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Solution

The fourth proportional to 1,384,173.38, 1,910,164.55 and 772,351.93 is: 1,065,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,173.38 : 1,910,164.55 = 772,351.93 : x
  2. Step 2: Convert to fraction form
    1,384,173.38/1,910,164.55 = 772,351.93/x
  3. Step 3: Cross multiply
    1,384,173.38x = 1,910,164.55 × 772,351.93
  4. Step 4: Simplify right side
    1,384,173.38x = 1,475,319,275,336.03
  5. Step 5: Solve for x
    x = 1,475,319,275,336.03/1,384,173.38
  6. Step 6: Final answer
    x = 1,065,848.61

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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.