Home / 1,120,763.75-1,681,021.06-401,076.38

Finding the Fourth Proportional to 1,120,763.75, 1,681,021.06 and 401,076.38

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Solution

The fourth proportional to 1,120,763.75, 1,681,021.06 and 401,076.38 is: 601,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,763.75 : 1,681,021.06 = 401,076.38 : x
  2. Step 2: Convert to fraction form
    1,120,763.75/1,681,021.06 = 401,076.38/x
  3. Step 3: Cross multiply
    1,120,763.75x = 1,681,021.06 × 401,076.38
  4. Step 4: Simplify right side
    1,120,763.75x = 674,217,844,648.43
  5. Step 5: Solve for x
    x = 674,217,844,648.43/1,120,763.75
  6. Step 6: Final answer
    x = 601,570.00

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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.