Home / 858,954.12-1,185,396.14-476,982.40

Finding the Fourth Proportional to 858,954.12, 1,185,396.14 and 476,982.40

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Solution

The fourth proportional to 858,954.12, 1,185,396.14 and 476,982.40 is: 658,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,954.12 : 1,185,396.14 = 476,982.40 : x
  2. Step 2: Convert to fraction form
    858,954.12/1,185,396.14 = 476,982.40/x
  3. Step 3: Cross multiply
    858,954.12x = 1,185,396.14 × 476,982.40
  4. Step 4: Simplify right side
    858,954.12x = 565,413,095,807.94
  5. Step 5: Solve for x
    x = 565,413,095,807.94/858,954.12
  6. Step 6: Final answer
    x = 658,257.62

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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.