Home / 1,680,907.38-2,319,761.91-955,822.62

Finding the Fourth Proportional to 1,680,907.38, 2,319,761.91 and 955,822.62

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Solution

The fourth proportional to 1,680,907.38, 2,319,761.91 and 955,822.62 is: 1,319,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,907.38 : 2,319,761.91 = 955,822.62 : x
  2. Step 2: Convert to fraction form
    1,680,907.38/2,319,761.91 = 955,822.62/x
  3. Step 3: Cross multiply
    1,680,907.38x = 2,319,761.91 × 955,822.62
  4. Step 4: Simplify right side
    1,680,907.38x = 2,217,280,906,592.40
  5. Step 5: Solve for x
    x = 2,217,280,906,592.40/1,680,907.38
  6. Step 6: Final answer
    x = 1,319,097.61

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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.