Home / 1,685,914.80-2,325,856.74-1,105,277.34

Finding the Fourth Proportional to 1,685,914.80, 2,325,856.74 and 1,105,277.34

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Solution

The fourth proportional to 1,685,914.80, 2,325,856.74 and 1,105,277.34 is: 1,524,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,914.80 : 2,325,856.74 = 1,105,277.34 : x
  2. Step 2: Convert to fraction form
    1,685,914.80/2,325,856.74 = 1,105,277.34/x
  3. Step 3: Cross multiply
    1,685,914.80x = 2,325,856.74 × 1,105,277.34
  4. Step 4: Simplify right side
    1,685,914.80x = 2,570,716,750,808.27
  5. Step 5: Solve for x
    x = 2,570,716,750,808.27/1,685,914.80
  6. Step 6: Final answer
    x = 1,524,820.09

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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.