Home / 3,391,453.60-5,087,180.40-866,975.20

Finding the Fourth Proportional to 3,391,453.60, 5,087,180.40 and 866,975.20

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Solution

The fourth proportional to 3,391,453.60, 5,087,180.40 and 866,975.20 is: 1,300,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,453.60 : 5,087,180.40 = 866,975.20 : x
  2. Step 2: Convert to fraction form
    3,391,453.60/5,087,180.40 = 866,975.20/x
  3. Step 3: Cross multiply
    3,391,453.60x = 5,087,180.40 × 866,975.20
  4. Step 4: Simplify right side
    3,391,453.60x = 4,410,459,244,726.08
  5. Step 5: Solve for x
    x = 4,410,459,244,726.08/3,391,453.60
  6. Step 6: Final answer
    x = 1,300,462.80

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1.5x scale

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.