Home / 1,136,577.79-1,568,455.10-620,335.38

Finding the Fourth Proportional to 1,136,577.79, 1,568,455.10 and 620,335.38

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Solution

The fourth proportional to 1,136,577.79, 1,568,455.10 and 620,335.38 is: 856,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,577.79 : 1,568,455.10 = 620,335.38 : x
  2. Step 2: Convert to fraction form
    1,136,577.79/1,568,455.10 = 620,335.38/x
  3. Step 3: Cross multiply
    1,136,577.79x = 1,568,455.10 × 620,335.38
  4. Step 4: Simplify right side
    1,136,577.79x = 972,968,190,471.44
  5. Step 5: Solve for x
    x = 972,968,190,471.44/1,136,577.79
  6. Step 6: Final answer
    x = 856,050.68

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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.