Home / 789,393.69-1,089,114.62-483,150.82

Finding the Fourth Proportional to 789,393.69, 1,089,114.62 and 483,150.82

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Solution

The fourth proportional to 789,393.69, 1,089,114.62 and 483,150.82 is: 666,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,393.69 : 1,089,114.62 = 483,150.82 : x
  2. Step 2: Convert to fraction form
    789,393.69/1,089,114.62 = 483,150.82/x
  3. Step 3: Cross multiply
    789,393.69x = 1,089,114.62 × 483,150.82
  4. Step 4: Simplify right side
    789,393.69x = 526,206,621,686.08
  5. Step 5: Solve for x
    x = 526,206,621,686.08/789,393.69
  6. Step 6: Final answer
    x = 666,595.93

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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.