Home / 1,521,125.96-2,099,178.58-832,786.20

Finding the Fourth Proportional to 1,521,125.96, 2,099,178.58 and 832,786.20

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Solution

The fourth proportional to 1,521,125.96, 2,099,178.58 and 832,786.20 is: 1,149,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,125.96 : 2,099,178.58 = 832,786.20 : x
  2. Step 2: Convert to fraction form
    1,521,125.96/2,099,178.58 = 832,786.20/x
  3. Step 3: Cross multiply
    1,521,125.96x = 2,099,178.58 × 832,786.20
  4. Step 4: Simplify right side
    1,521,125.96x = 1,748,166,952,759.60
  5. Step 5: Solve for x
    x = 1,748,166,952,759.60/1,521,125.96
  6. Step 6: Final answer
    x = 1,149,258.51

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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.