Home / 1,139,351.97-1,708,501.95-419,512.89

Finding the Fourth Proportional to 1,139,351.97, 1,708,501.95 and 419,512.89

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Solution

The fourth proportional to 1,139,351.97, 1,708,501.95 and 419,512.89 is: 629,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,351.97 : 1,708,501.95 = 419,512.89 : x
  2. Step 2: Convert to fraction form
    1,139,351.97/1,708,501.95 = 419,512.89/x
  3. Step 3: Cross multiply
    1,139,351.97x = 1,708,501.95 × 419,512.89
  4. Step 4: Simplify right side
    1,139,351.97x = 716,738,590,615.14
  5. Step 5: Solve for x
    x = 716,738,590,615.14/1,139,351.97
  6. Step 6: Final answer
    x = 629,075.66

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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.