Home / 1,089,211.71-1,503,131.48-605,777.05

Finding the Fourth Proportional to 1,089,211.71, 1,503,131.48 and 605,777.05

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Solution

The fourth proportional to 1,089,211.71, 1,503,131.48 and 605,777.05 is: 835,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,211.71 : 1,503,131.48 = 605,777.05 : x
  2. Step 2: Convert to fraction form
    1,089,211.71/1,503,131.48 = 605,777.05/x
  3. Step 3: Cross multiply
    1,089,211.71x = 1,503,131.48 × 605,777.05
  4. Step 4: Simplify right side
    1,089,211.71x = 910,562,553,716.53
  5. Step 5: Solve for x
    x = 910,562,553,716.53/1,089,211.71
  6. Step 6: Final answer
    x = 835,983.07

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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.