Home / 1,381,157.70-1,906,291.74-928,186.26

Finding the Fourth Proportional to 1,381,157.70, 1,906,291.74 and 928,186.26

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Solution

The fourth proportional to 1,381,157.70, 1,906,291.74 and 928,186.26 is: 1,281,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,157.70 : 1,906,291.74 = 928,186.26 : x
  2. Step 2: Convert to fraction form
    1,381,157.70/1,906,291.74 = 928,186.26/x
  3. Step 3: Cross multiply
    1,381,157.70x = 1,906,291.74 × 928,186.26
  4. Step 4: Simplify right side
    1,381,157.70x = 1,769,393,800,619.49
  5. Step 5: Solve for x
    x = 1,769,393,800,619.49/1,381,157.70
  6. Step 6: Final answer
    x = 1,281,094.69

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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.