Home / 1,430,143.26-1,973,108.85-818,073.03

Finding the Fourth Proportional to 1,430,143.26, 1,973,108.85 and 818,073.03

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Solution

The fourth proportional to 1,430,143.26, 1,973,108.85 and 818,073.03 is: 1,128,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,143.26 : 1,973,108.85 = 818,073.03 : x
  2. Step 2: Convert to fraction form
    1,430,143.26/1,973,108.85 = 818,073.03/x
  3. Step 3: Cross multiply
    1,430,143.26x = 1,973,108.85 × 818,073.03
  4. Step 4: Simplify right side
    1,430,143.26x = 1,614,147,135,439.32
  5. Step 5: Solve for x
    x = 1,614,147,135,439.32/1,430,143.26
  6. Step 6: Final answer
    x = 1,128,661.15

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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.