Home / 1,089,200.60-1,503,138.28-605,800.70

Finding the Fourth Proportional to 1,089,200.60, 1,503,138.28 and 605,800.70

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Solution

The fourth proportional to 1,089,200.60, 1,503,138.28 and 605,800.70 is: 836,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,200.60 : 1,503,138.28 = 605,800.70 : x
  2. Step 2: Convert to fraction form
    1,089,200.60/1,503,138.28 = 605,800.70/x
  3. Step 3: Cross multiply
    1,089,200.60x = 1,503,138.28 × 605,800.70
  4. Step 4: Simplify right side
    1,089,200.60x = 910,602,222,220.80
  5. Step 5: Solve for x
    x = 910,602,222,220.80/1,089,200.60
  6. Step 6: Final answer
    x = 836,028.02

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1.5x scale

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.