Home / 1,143,453.53-1,578,252.63-776,551.48

Finding the Fourth Proportional to 1,143,453.53, 1,578,252.63 and 776,551.48

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Solution

The fourth proportional to 1,143,453.53, 1,578,252.63 and 776,551.48 is: 1,071,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,453.53 : 1,578,252.63 = 776,551.48 : x
  2. Step 2: Convert to fraction form
    1,143,453.53/1,578,252.63 = 776,551.48/x
  3. Step 3: Cross multiply
    1,143,453.53x = 1,578,252.63 × 776,551.48
  4. Step 4: Simplify right side
    1,143,453.53x = 1,225,594,415,640.39
  5. Step 5: Solve for x
    x = 1,225,594,415,640.39/1,143,453.53
  6. Step 6: Final answer
    x = 1,071,835.79

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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.