Home / 1,079,784.90-1,620,005.40-606,153.60

Finding the Fourth Proportional to 1,079,784.90, 1,620,005.40 and 606,153.60

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Solution

The fourth proportional to 1,079,784.90, 1,620,005.40 and 606,153.60 is: 909,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,784.90 : 1,620,005.40 = 606,153.60 : x
  2. Step 2: Convert to fraction form
    1,079,784.90/1,620,005.40 = 606,153.60/x
  3. Step 3: Cross multiply
    1,079,784.90x = 1,620,005.40 × 606,153.60
  4. Step 4: Simplify right side
    1,079,784.90x = 981,972,105,229.44
  5. Step 5: Solve for x
    x = 981,972,105,229.44/1,079,784.90
  6. Step 6: Final answer
    x = 909,414.56

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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.