Home / 1,322,613.96-1,823,494.10-856,638.78

Finding the Fourth Proportional to 1,322,613.96, 1,823,494.10 and 856,638.78

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Solution

The fourth proportional to 1,322,613.96, 1,823,494.10 and 856,638.78 is: 1,181,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,613.96 : 1,823,494.10 = 856,638.78 : x
  2. Step 2: Convert to fraction form
    1,322,613.96/1,823,494.10 = 856,638.78/x
  3. Step 3: Cross multiply
    1,322,613.96x = 1,823,494.10 × 856,638.78
  4. Step 4: Simplify right side
    1,322,613.96x = 1,562,075,761,161.20
  5. Step 5: Solve for x
    x = 1,562,075,761,161.20/1,322,613.96
  6. Step 6: Final answer
    x = 1,181,051.92

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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.