Home / 789,610.04-1,089,160.22-517,695.54

Finding the Fourth Proportional to 789,610.04, 1,089,160.22 and 517,695.54

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Solution

The fourth proportional to 789,610.04, 1,089,160.22 and 517,695.54 is: 714,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,610.04 : 1,089,160.22 = 517,695.54 : x
  2. Step 2: Convert to fraction form
    789,610.04/1,089,160.22 = 517,695.54/x
  3. Step 3: Cross multiply
    789,610.04x = 1,089,160.22 × 517,695.54
  4. Step 4: Simplify right side
    789,610.04x = 563,853,388,239.42
  5. Step 5: Solve for x
    x = 563,853,388,239.42/789,610.04
  6. Step 6: Final answer
    x = 714,090.96

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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.