Home / 1,903,118.03-2,853,965.61-765,495.80

Finding the Fourth Proportional to 1,903,118.03, 2,853,965.61 and 765,495.80

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Solution

The fourth proportional to 1,903,118.03, 2,853,965.61 and 765,495.80 is: 1,147,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,118.03 : 2,853,965.61 = 765,495.80 : x
  2. Step 2: Convert to fraction form
    1,903,118.03/2,853,965.61 = 765,495.80/x
  3. Step 3: Cross multiply
    1,903,118.03x = 2,853,965.61 × 765,495.80
  4. Step 4: Simplify right side
    1,903,118.03x = 2,184,698,673,529.61
  5. Step 5: Solve for x
    x = 2,184,698,673,529.61/1,903,118.03
  6. Step 6: Final answer
    x = 1,147,957.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.