Home / 987,070.73-1,362,158.07-534,361.73

Finding the Fourth Proportional to 987,070.73, 1,362,158.07 and 534,361.73

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Solution

The fourth proportional to 987,070.73, 1,362,158.07 and 534,361.73 is: 737,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,070.73 : 1,362,158.07 = 534,361.73 : x
  2. Step 2: Convert to fraction form
    987,070.73/1,362,158.07 = 534,361.73/x
  3. Step 3: Cross multiply
    987,070.73x = 1,362,158.07 × 534,361.73
  4. Step 4: Simplify right side
    987,070.73x = 727,885,142,818.66
  5. Step 5: Solve for x
    x = 727,885,142,818.66/987,070.73
  6. Step 6: Final answer
    x = 737,419.44

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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.