Home / 1,144,015.74-1,578,737.34-627,778.26

Finding the Fourth Proportional to 1,144,015.74, 1,578,737.34 and 627,778.26

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Solution

The fourth proportional to 1,144,015.74, 1,578,737.34 and 627,778.26 is: 866,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,015.74 : 1,578,737.34 = 627,778.26 : x
  2. Step 2: Convert to fraction form
    1,144,015.74/1,578,737.34 = 627,778.26/x
  3. Step 3: Cross multiply
    1,144,015.74x = 1,578,737.34 × 627,778.26
  4. Step 4: Simplify right side
    1,144,015.74x = 991,096,980,302.23
  5. Step 5: Solve for x
    x = 991,096,980,302.23/1,144,015.74
  6. Step 6: Final answer
    x = 866,331.59

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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.