Home / 1,869,074.61-2,803,571.68-521,201.33

Finding the Fourth Proportional to 1,869,074.61, 2,803,571.68 and 521,201.33

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Solution

The fourth proportional to 1,869,074.61, 2,803,571.68 and 521,201.33 is: 781,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,074.61 : 2,803,571.68 = 521,201.33 : x
  2. Step 2: Convert to fraction form
    1,869,074.61/2,803,571.68 = 521,201.33/x
  3. Step 3: Cross multiply
    1,869,074.61x = 2,803,571.68 × 521,201.33
  4. Step 4: Simplify right side
    1,869,074.61x = 1,461,225,288,366.33
  5. Step 5: Solve for x
    x = 1,461,225,288,366.33/1,869,074.61
  6. Step 6: Final answer
    x = 781,790.78

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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.