Home / 1,143,376.81-1,577,849.24-627,120.20

Finding the Fourth Proportional to 1,143,376.81, 1,577,849.24 and 627,120.20

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Solution

The fourth proportional to 1,143,376.81, 1,577,849.24 and 627,120.20 is: 865,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,376.81 : 1,577,849.24 = 627,120.20 : x
  2. Step 2: Convert to fraction form
    1,143,376.81/1,577,849.24 = 627,120.20/x
  3. Step 3: Cross multiply
    1,143,376.81x = 1,577,849.24 × 627,120.20
  4. Step 4: Simplify right side
    1,143,376.81x = 989,501,136,471.07
  5. Step 5: Solve for x
    x = 989,501,136,471.07/1,143,376.81
  6. Step 6: Final answer
    x = 865,419.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.