Home / 1,509,623.76-2,083,251.24-830,571.60

Finding the Fourth Proportional to 1,509,623.76, 2,083,251.24 and 830,571.60

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Solution

The fourth proportional to 1,509,623.76, 2,083,251.24 and 830,571.60 is: 1,146,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,623.76 : 2,083,251.24 = 830,571.60 : x
  2. Step 2: Convert to fraction form
    1,509,623.76/2,083,251.24 = 830,571.60/x
  3. Step 3: Cross multiply
    1,509,623.76x = 2,083,251.24 × 830,571.60
  4. Step 4: Simplify right side
    1,509,623.76x = 1,730,289,315,608.78
  5. Step 5: Solve for x
    x = 1,730,289,315,608.78/1,509,623.76
  6. Step 6: Final answer
    x = 1,146,172.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.