Home / 1,526,630.40-2,289,945.60-404,812.80

Finding the Fourth Proportional to 1,526,630.40, 2,289,945.60 and 404,812.80

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Solution

The fourth proportional to 1,526,630.40, 2,289,945.60 and 404,812.80 is: 607,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,630.40 : 2,289,945.60 = 404,812.80 : x
  2. Step 2: Convert to fraction form
    1,526,630.40/2,289,945.60 = 404,812.80/x
  3. Step 3: Cross multiply
    1,526,630.40x = 2,289,945.60 × 404,812.80
  4. Step 4: Simplify right side
    1,526,630.40x = 926,999,290,183.68
  5. Step 5: Solve for x
    x = 926,999,290,183.68/1,526,630.40
  6. Step 6: Final answer
    x = 607,219.20

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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.