Home / 1,136,734.72-1,568,686.36-620,486.56

Finding the Fourth Proportional to 1,136,734.72, 1,568,686.36 and 620,486.56

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Solution

The fourth proportional to 1,136,734.72, 1,568,686.36 and 620,486.56 is: 856,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,734.72 : 1,568,686.36 = 620,486.56 : x
  2. Step 2: Convert to fraction form
    1,136,734.72/1,568,686.36 = 620,486.56/x
  3. Step 3: Cross multiply
    1,136,734.72x = 1,568,686.36 × 620,486.56
  4. Step 4: Simplify right side
    1,136,734.72x = 973,348,803,235.32
  5. Step 5: Solve for x
    x = 973,348,803,235.32/1,136,734.72
  6. Step 6: Final answer
    x = 856,267.33

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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.