Home / 1,246,576.40-1,868,680.92-404,539.28

Finding the Fourth Proportional to 1,246,576.40, 1,868,680.92 and 404,539.28

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Solution

The fourth proportional to 1,246,576.40, 1,868,680.92 and 404,539.28 is: 606,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,576.40 : 1,868,680.92 = 404,539.28 : x
  2. Step 2: Convert to fraction form
    1,246,576.40/1,868,680.92 = 404,539.28/x
  3. Step 3: Cross multiply
    1,246,576.40x = 1,868,680.92 × 404,539.28
  4. Step 4: Simplify right side
    1,246,576.40x = 755,954,833,926.54
  5. Step 5: Solve for x
    x = 755,954,833,926.54/1,246,576.40
  6. Step 6: Final answer
    x = 606,424.79

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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.