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Finding the Fourth Proportional to 1,954,698.93, 2,935,273.01 and 1,319,086.26

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Solution

The fourth proportional to 1,954,698.93, 2,935,273.01 and 1,319,086.26 is: 1,980,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,698.93 : 2,935,273.01 = 1,319,086.26 : x
  2. Step 2: Convert to fraction form
    1,954,698.93/2,935,273.01 = 1,319,086.26/x
  3. Step 3: Cross multiply
    1,954,698.93x = 2,935,273.01 × 1,319,086.26
  4. Step 4: Simplify right side
    1,954,698.93x = 3,871,878,290,244.41
  5. Step 5: Solve for x
    x = 3,871,878,290,244.41/1,954,698.93
  6. Step 6: Final answer
    x = 1,980,805.45

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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.