Home / 862,166.03-1,189,699.79-530,969.55

Finding the Fourth Proportional to 862,166.03, 1,189,699.79 and 530,969.55

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Solution

The fourth proportional to 862,166.03, 1,189,699.79 and 530,969.55 is: 732,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,166.03 : 1,189,699.79 = 530,969.55 : x
  2. Step 2: Convert to fraction form
    862,166.03/1,189,699.79 = 530,969.55/x
  3. Step 3: Cross multiply
    862,166.03x = 1,189,699.79 × 530,969.55
  4. Step 4: Simplify right side
    862,166.03x = 631,694,367,293.32
  5. Step 5: Solve for x
    x = 631,694,367,293.32/862,166.03
  6. Step 6: Final answer
    x = 732,682.97

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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.