Home / 1,136,916.91-1,568,969.09-620,692.57

Finding the Fourth Proportional to 1,136,916.91, 1,568,969.09 and 620,692.57

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Solution

The fourth proportional to 1,136,916.91, 1,568,969.09 and 620,692.57 is: 856,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,916.91 : 1,568,969.09 = 620,692.57 : x
  2. Step 2: Convert to fraction form
    1,136,916.91/1,568,969.09 = 620,692.57/x
  3. Step 3: Cross multiply
    1,136,916.91x = 1,568,969.09 × 620,692.57
  4. Step 4: Simplify right side
    1,136,916.91x = 973,847,457,908.01
  5. Step 5: Solve for x
    x = 973,847,457,908.01/1,136,916.91
  6. Step 6: Final answer
    x = 856,568.72

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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.