Home / 1,293,326.19-1,937,993.65-819,015.10

Finding the Fourth Proportional to 1,293,326.19, 1,937,993.65 and 819,015.10

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Solution

The fourth proportional to 1,293,326.19, 1,937,993.65 and 819,015.10 is: 1,227,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,326.19 : 1,937,993.65 = 819,015.10 : x
  2. Step 2: Convert to fraction form
    1,293,326.19/1,937,993.65 = 819,015.10/x
  3. Step 3: Cross multiply
    1,293,326.19x = 1,937,993.65 × 819,015.10
  4. Step 4: Simplify right side
    1,293,326.19x = 1,587,246,056,161.59
  5. Step 5: Solve for x
    x = 1,587,246,056,161.59/1,293,326.19
  6. Step 6: Final answer
    x = 1,227,258.88

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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.