Home / 1,205,304.51-1,807,956.78-939,264.18

Finding the Fourth Proportional to 1,205,304.51, 1,807,956.78 and 939,264.18

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Solution

The fourth proportional to 1,205,304.51, 1,807,956.78 and 939,264.18 is: 1,408,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,304.51 : 1,807,956.78 = 939,264.18 : x
  2. Step 2: Convert to fraction form
    1,205,304.51/1,807,956.78 = 939,264.18/x
  3. Step 3: Cross multiply
    1,205,304.51x = 1,807,956.78 × 939,264.18
  4. Step 4: Simplify right side
    1,205,304.51x = 1,698,149,042,442.14
  5. Step 5: Solve for x
    x = 1,698,149,042,442.14/1,205,304.51
  6. Step 6: Final answer
    x = 1,408,896.28

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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.