Home / 987,061.73-1,362,145.65-534,352.73

Finding the Fourth Proportional to 987,061.73, 1,362,145.65 and 534,352.73

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Solution

The fourth proportional to 987,061.73, 1,362,145.65 and 534,352.73 is: 737,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,061.73 : 1,362,145.65 = 534,352.73 : x
  2. Step 2: Convert to fraction form
    987,061.73/1,362,145.65 = 534,352.73/x
  3. Step 3: Cross multiply
    987,061.73x = 1,362,145.65 × 534,352.73
  4. Step 4: Simplify right side
    987,061.73x = 727,866,246,735.12
  5. Step 5: Solve for x
    x = 727,866,246,735.12/987,061.73
  6. Step 6: Final answer
    x = 737,407.02

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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.