Home / 789,195.51-1,089,196.47-445,102.11

Finding the Fourth Proportional to 789,195.51, 1,089,196.47 and 445,102.11

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Solution

The fourth proportional to 789,195.51, 1,089,196.47 and 445,102.11 is: 614,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,195.51 : 1,089,196.47 = 445,102.11 : x
  2. Step 2: Convert to fraction form
    789,195.51/1,089,196.47 = 445,102.11/x
  3. Step 3: Cross multiply
    789,195.51x = 1,089,196.47 × 445,102.11
  4. Step 4: Simplify right side
    789,195.51x = 484,803,647,001.55
  5. Step 5: Solve for x
    x = 484,803,647,001.55/789,195.51
  6. Step 6: Final answer
    x = 614,301.07

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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.