Home / 1,680,955.89-2,319,540.25-945,897.33

Finding the Fourth Proportional to 1,680,955.89, 2,319,540.25 and 945,897.33

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Solution

The fourth proportional to 1,680,955.89, 2,319,540.25 and 945,897.33 is: 1,305,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,955.89 : 2,319,540.25 = 945,897.33 : x
  2. Step 2: Convert to fraction form
    1,680,955.89/2,319,540.25 = 945,897.33/x
  3. Step 3: Cross multiply
    1,680,955.89x = 2,319,540.25 × 945,897.33
  4. Step 4: Simplify right side
    1,680,955.89x = 2,194,046,924,573.05
  5. Step 5: Solve for x
    x = 2,194,046,924,573.05/1,680,955.89
  6. Step 6: Final answer
    x = 1,305,237.66

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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.