Home / 928,902.30-1,282,027.83-521,169.18

Finding the Fourth Proportional to 928,902.30, 1,282,027.83 and 521,169.18

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Solution

The fourth proportional to 928,902.30, 1,282,027.83 and 521,169.18 is: 719,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,902.30 : 1,282,027.83 = 521,169.18 : x
  2. Step 2: Convert to fraction form
    928,902.30/1,282,027.83 = 521,169.18/x
  3. Step 3: Cross multiply
    928,902.30x = 1,282,027.83 × 521,169.18
  4. Step 4: Simplify right side
    928,902.30x = 668,153,392,898.28
  5. Step 5: Solve for x
    x = 668,153,392,898.28/928,902.30
  6. Step 6: Final answer
    x = 719,293.51

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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.