Home / 599,936.64-828,121.06-345,389.28

Finding the Fourth Proportional to 599,936.64, 828,121.06 and 345,389.28

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Solution

The fourth proportional to 599,936.64, 828,121.06 and 345,389.28 is: 476,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,936.64 : 828,121.06 = 345,389.28 : x
  2. Step 2: Convert to fraction form
    599,936.64/828,121.06 = 345,389.28/x
  3. Step 3: Cross multiply
    599,936.64x = 828,121.06 × 345,389.28
  4. Step 4: Simplify right side
    599,936.64x = 286,024,136,666.24
  5. Step 5: Solve for x
    x = 286,024,136,666.24/599,936.64
  6. Step 6: Final answer
    x = 476,757.24

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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.