Home / 1,273,280.75-1,910,431.47-463,721.56

Finding the Fourth Proportional to 1,273,280.75, 1,910,431.47 and 463,721.56

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Solution

The fourth proportional to 1,273,280.75, 1,910,431.47 and 463,721.56 is: 695,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,280.75 : 1,910,431.47 = 463,721.56 : x
  2. Step 2: Convert to fraction form
    1,273,280.75/1,910,431.47 = 463,721.56/x
  3. Step 3: Cross multiply
    1,273,280.75x = 1,910,431.47 × 463,721.56
  4. Step 4: Simplify right side
    1,273,280.75x = 885,908,258,504.37
  5. Step 5: Solve for x
    x = 885,908,258,504.37/1,273,280.75
  6. Step 6: Final answer
    x = 695,768.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.