Home / 1,322,516.82-1,823,383.85-856,547.58

Finding the Fourth Proportional to 1,322,516.82, 1,823,383.85 and 856,547.58

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Solution

The fourth proportional to 1,322,516.82, 1,823,383.85 and 856,547.58 is: 1,180,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,516.82 : 1,823,383.85 = 856,547.58 : x
  2. Step 2: Convert to fraction form
    1,322,516.82/1,823,383.85 = 856,547.58/x
  3. Step 3: Cross multiply
    1,322,516.82x = 1,823,383.85 × 856,547.58
  4. Step 4: Simplify right side
    1,322,516.82x = 1,561,815,024,128.58
  5. Step 5: Solve for x
    x = 1,561,815,024,128.58/1,322,516.82
  6. Step 6: Final answer
    x = 1,180,941.52

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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.