Home / 1,136,665.23-1,568,486.34-627,334.80

Finding the Fourth Proportional to 1,136,665.23, 1,568,486.34 and 627,334.80

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Solution

The fourth proportional to 1,136,665.23, 1,568,486.34 and 627,334.80 is: 865,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,665.23 : 1,568,486.34 = 627,334.80 : x
  2. Step 2: Convert to fraction form
    1,136,665.23/1,568,486.34 = 627,334.80/x
  3. Step 3: Cross multiply
    1,136,665.23x = 1,568,486.34 × 627,334.80
  4. Step 4: Simplify right side
    1,136,665.23x = 983,966,064,406.63
  5. Step 5: Solve for x
    x = 983,966,064,406.63/1,136,665.23
  6. Step 6: Final answer
    x = 865,660.39

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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.