Home / 719,100.42-1,077,622.97-528,062.33

Finding the Fourth Proportional to 719,100.42, 1,077,622.97 and 528,062.33

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Solution

The fourth proportional to 719,100.42, 1,077,622.97 and 528,062.33 is: 791,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,100.42 : 1,077,622.97 = 528,062.33 : x
  2. Step 2: Convert to fraction form
    719,100.42/1,077,622.97 = 528,062.33/x
  3. Step 3: Cross multiply
    719,100.42x = 1,077,622.97 × 528,062.33
  4. Step 4: Simplify right side
    719,100.42x = 569,052,096,399.72
  5. Step 5: Solve for x
    x = 569,052,096,399.72/719,100.42
  6. Step 6: Final answer
    x = 791,338.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.