Home / 1,136,655.59-1,568,560.75-620,392.37

Finding the Fourth Proportional to 1,136,655.59, 1,568,560.75 and 620,392.37

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Solution

The fourth proportional to 1,136,655.59, 1,568,560.75 and 620,392.37 is: 856,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,655.59 : 1,568,560.75 = 620,392.37 : x
  2. Step 2: Convert to fraction form
    1,136,655.59/1,568,560.75 = 620,392.37/x
  3. Step 3: Cross multiply
    1,136,655.59x = 1,568,560.75 × 620,392.37
  4. Step 4: Simplify right side
    1,136,655.59x = 973,123,111,787.69
  5. Step 5: Solve for x
    x = 973,123,111,787.69/1,136,655.59
  6. Step 6: Final answer
    x = 856,128.39

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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.