Home / 621,003.28-857,075.27-349,093.57

Finding the Fourth Proportional to 621,003.28, 857,075.27 and 349,093.57

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Solution

The fourth proportional to 621,003.28, 857,075.27 and 349,093.57 is: 481,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,003.28 : 857,075.27 = 349,093.57 : x
  2. Step 2: Convert to fraction form
    621,003.28/857,075.27 = 349,093.57/x
  3. Step 3: Cross multiply
    621,003.28x = 857,075.27 × 349,093.57
  4. Step 4: Simplify right side
    621,003.28x = 299,199,462,350.37
  5. Step 5: Solve for x
    x = 299,199,462,350.37/621,003.28
  6. Step 6: Final answer
    x = 481,800.14

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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.