Home / 712,399.96-1,068,993.42-397,034.56

Finding the Fourth Proportional to 712,399.96, 1,068,993.42 and 397,034.56

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Solution

The fourth proportional to 712,399.96, 1,068,993.42 and 397,034.56 is: 595,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,399.96 : 1,068,993.42 = 397,034.56 : x
  2. Step 2: Convert to fraction form
    712,399.96/1,068,993.42 = 397,034.56/x
  3. Step 3: Cross multiply
    712,399.96x = 1,068,993.42 × 397,034.56
  4. Step 4: Simplify right side
    712,399.96x = 424,427,332,152.60
  5. Step 5: Solve for x
    x = 424,427,332,152.60/712,399.96
  6. Step 6: Final answer
    x = 595,771.13

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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.