Home / 398,555.02-597,961.62-238,605.94

Finding the Fourth Proportional to 398,555.02, 597,961.62 and 238,605.94

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Solution

The fourth proportional to 398,555.02, 597,961.62 and 238,605.94 is: 357,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,555.02 : 597,961.62 = 238,605.94 : x
  2. Step 2: Convert to fraction form
    398,555.02/597,961.62 = 238,605.94/x
  3. Step 3: Cross multiply
    398,555.02x = 597,961.62 × 238,605.94
  4. Step 4: Simplify right side
    398,555.02x = 142,677,194,424.02
  5. Step 5: Solve for x
    x = 142,677,194,424.02/398,555.02
  6. Step 6: Final answer
    x = 357,986.19

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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.