Home / 1,219,219.56-1,682,536.50-675,363.69

Finding the Fourth Proportional to 1,219,219.56, 1,682,536.50 and 675,363.69

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Solution

The fourth proportional to 1,219,219.56, 1,682,536.50 and 675,363.69 is: 932,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,219.56 : 1,682,536.50 = 675,363.69 : x
  2. Step 2: Convert to fraction form
    1,219,219.56/1,682,536.50 = 675,363.69/x
  3. Step 3: Cross multiply
    1,219,219.56x = 1,682,536.50 × 675,363.69
  4. Step 4: Simplify right side
    1,219,219.56x = 1,136,324,059,199.68
  5. Step 5: Solve for x
    x = 1,136,324,059,199.68/1,219,219.56
  6. Step 6: Final answer
    x = 932,009.37

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Double scale
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1.5x scale

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.