Home / 1,089,220.15-1,503,143.12-605,785.52

Finding the Fourth Proportional to 1,089,220.15, 1,503,143.12 and 605,785.52

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Solution

The fourth proportional to 1,089,220.15, 1,503,143.12 and 605,785.52 is: 835,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,220.15 : 1,503,143.12 = 605,785.52 : x
  2. Step 2: Convert to fraction form
    1,089,220.15/1,503,143.12 = 605,785.52/x
  3. Step 3: Cross multiply
    1,089,220.15x = 1,503,143.12 × 605,785.52
  4. Step 4: Simplify right side
    1,089,220.15x = 910,582,336,583.62
  5. Step 5: Solve for x
    x = 910,582,336,583.62/1,089,220.15
  6. Step 6: Final answer
    x = 835,994.76

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Double scale
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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.