Home / 481,075.36-721,224.16-200,802.40

Finding the Fourth Proportional to 481,075.36, 721,224.16 and 200,802.40

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Solution

The fourth proportional to 481,075.36, 721,224.16 and 200,802.40 is: 301,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,075.36 : 721,224.16 = 200,802.40 : x
  2. Step 2: Convert to fraction form
    481,075.36/721,224.16 = 200,802.40/x
  3. Step 3: Cross multiply
    481,075.36x = 721,224.16 × 200,802.40
  4. Step 4: Simplify right side
    481,075.36x = 144,823,542,265.98
  5. Step 5: Solve for x
    x = 144,823,542,265.98/481,075.36
  6. Step 6: Final answer
    x = 301,041.28

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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.