Home / 987,170.96-1,362,298.44-534,462.80

Finding the Fourth Proportional to 987,170.96, 1,362,298.44 and 534,462.80

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Solution

The fourth proportional to 987,170.96, 1,362,298.44 and 534,462.80 is: 737,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,170.96 : 1,362,298.44 = 534,462.80 : x
  2. Step 2: Convert to fraction form
    987,170.96/1,362,298.44 = 534,462.80/x
  3. Step 3: Cross multiply
    987,170.96x = 1,362,298.44 × 534,462.80
  4. Step 4: Simplify right side
    987,170.96x = 728,097,838,678.03
  5. Step 5: Solve for x
    x = 728,097,838,678.03/987,170.96
  6. Step 6: Final answer
    x = 737,560.03

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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.