Home / 1,869,074.50-2,803,571.46-521,201.20

Finding the Fourth Proportional to 1,869,074.50, 2,803,571.46 and 521,201.20

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Solution

The fourth proportional to 1,869,074.50, 2,803,571.46 and 521,201.20 is: 781,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,074.50 : 2,803,571.46 = 521,201.20 : x
  2. Step 2: Convert to fraction form
    1,869,074.50/2,803,571.46 = 521,201.20/x
  3. Step 3: Cross multiply
    1,869,074.50x = 2,803,571.46 × 521,201.20
  4. Step 4: Simplify right side
    1,869,074.50x = 1,461,224,809,237.75
  5. Step 5: Solve for x
    x = 1,461,224,809,237.75/1,869,074.50
  6. Step 6: Final answer
    x = 781,790.56

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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.