Home / 1,867,909.03-2,801,865.66-520,074.61

Finding the Fourth Proportional to 1,867,909.03, 2,801,865.66 and 520,074.61

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Solution

The fourth proportional to 1,867,909.03, 2,801,865.66 and 520,074.61 is: 780,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,909.03 : 2,801,865.66 = 520,074.61 : x
  2. Step 2: Convert to fraction form
    1,867,909.03/2,801,865.66 = 520,074.61/x
  3. Step 3: Cross multiply
    1,867,909.03x = 2,801,865.66 × 520,074.61
  4. Step 4: Simplify right side
    1,867,909.03x = 1,457,179,190,396.89
  5. Step 5: Solve for x
    x = 1,457,179,190,396.89/1,867,909.03
  6. Step 6: Final answer
    x = 780,112.50

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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.