Home / 1,431,399.96-1,975,336.04-819,562.11

Finding the Fourth Proportional to 1,431,399.96, 1,975,336.04 and 819,562.11

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Solution

The fourth proportional to 1,431,399.96, 1,975,336.04 and 819,562.11 is: 1,130,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,399.96 : 1,975,336.04 = 819,562.11 : x
  2. Step 2: Convert to fraction form
    1,431,399.96/1,975,336.04 = 819,562.11/x
  3. Step 3: Cross multiply
    1,431,399.96x = 1,975,336.04 × 819,562.11
  4. Step 4: Simplify right side
    1,431,399.96x = 1,618,910,572,901.44
  5. Step 5: Solve for x
    x = 1,618,910,572,901.44/1,431,399.96
  6. Step 6: Final answer
    x = 1,130,998.06

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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.