Home / 1,640,102.20-2,458,986.90-628,833.40

Finding the Fourth Proportional to 1,640,102.20, 2,458,986.90 and 628,833.40

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Solution

The fourth proportional to 1,640,102.20, 2,458,986.90 and 628,833.40 is: 942,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,102.20 : 2,458,986.90 = 628,833.40 : x
  2. Step 2: Convert to fraction form
    1,640,102.20/2,458,986.90 = 628,833.40/x
  3. Step 3: Cross multiply
    1,640,102.20x = 2,458,986.90 × 628,833.40
  4. Step 4: Simplify right side
    1,640,102.20x = 1,546,293,092,882.46
  5. Step 5: Solve for x
    x = 1,546,293,092,882.46/1,640,102.20
  6. Step 6: Final answer
    x = 942,802.89

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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.