Home / 1,257,421.01-1,734,305.22-798,136.62

Finding the Fourth Proportional to 1,257,421.01, 1,734,305.22 and 798,136.62

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Solution

The fourth proportional to 1,257,421.01, 1,734,305.22 and 798,136.62 is: 1,100,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,421.01 : 1,734,305.22 = 798,136.62 : x
  2. Step 2: Convert to fraction form
    1,257,421.01/1,734,305.22 = 798,136.62/x
  3. Step 3: Cross multiply
    1,257,421.01x = 1,734,305.22 × 798,136.62
  4. Step 4: Simplify right side
    1,257,421.01x = 1,384,212,506,339.16
  5. Step 5: Solve for x
    x = 1,384,212,506,339.16/1,257,421.01
  6. Step 6: Final answer
    x = 1,100,834.57

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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.