Home / 1,203,786.63-1,805,155.01-455,307.75

Finding the Fourth Proportional to 1,203,786.63, 1,805,155.01 and 455,307.75

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Solution

The fourth proportional to 1,203,786.63, 1,805,155.01 and 455,307.75 is: 682,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,786.63 : 1,805,155.01 = 455,307.75 : x
  2. Step 2: Convert to fraction form
    1,203,786.63/1,805,155.01 = 455,307.75/x
  3. Step 3: Cross multiply
    1,203,786.63x = 1,805,155.01 × 455,307.75
  4. Step 4: Simplify right side
    1,203,786.63x = 821,901,054,702.01
  5. Step 5: Solve for x
    x = 821,901,054,702.01/1,203,786.63
  6. Step 6: Final answer
    x = 682,763.07

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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.