Home / 1,143,995.51-1,578,683.70-627,747.81

Finding the Fourth Proportional to 1,143,995.51, 1,578,683.70 and 627,747.81

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Solution

The fourth proportional to 1,143,995.51, 1,578,683.70 and 627,747.81 is: 866,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,995.51 : 1,578,683.70 = 627,747.81 : x
  2. Step 2: Convert to fraction form
    1,143,995.51/1,578,683.70 = 627,747.81/x
  3. Step 3: Cross multiply
    1,143,995.51x = 1,578,683.70 × 627,747.81
  4. Step 4: Simplify right side
    1,143,995.51x = 991,015,235,357.70
  5. Step 5: Solve for x
    x = 991,015,235,357.70/1,143,995.51
  6. Step 6: Final answer
    x = 866,275.46

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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.