Home / 1,529,993.20-2,111,465.28-850,915.12

Finding the Fourth Proportional to 1,529,993.20, 2,111,465.28 and 850,915.12

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Solution

The fourth proportional to 1,529,993.20, 2,111,465.28 and 850,915.12 is: 1,174,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,993.20 : 2,111,465.28 = 850,915.12 : x
  2. Step 2: Convert to fraction form
    1,529,993.20/2,111,465.28 = 850,915.12/x
  3. Step 3: Cross multiply
    1,529,993.20x = 2,111,465.28 × 850,915.12
  4. Step 4: Simplify right side
    1,529,993.20x = 1,796,677,732,107.03
  5. Step 5: Solve for x
    x = 1,796,677,732,107.03/1,529,993.20
  6. Step 6: Final answer
    x = 1,174,304.39

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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.