Home / 399,632.04-599,743.80-189,270.48

Finding the Fourth Proportional to 399,632.04, 599,743.80 and 189,270.48

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Solution

The fourth proportional to 399,632.04, 599,743.80 and 189,270.48 is: 284,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,632.04 : 599,743.80 = 189,270.48 : x
  2. Step 2: Convert to fraction form
    399,632.04/599,743.80 = 189,270.48/x
  3. Step 3: Cross multiply
    399,632.04x = 599,743.80 × 189,270.48
  4. Step 4: Simplify right side
    399,632.04x = 113,513,796,903.02
  5. Step 5: Solve for x
    x = 113,513,796,903.02/399,632.04
  6. Step 6: Final answer
    x = 284,045.79

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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.