Home / 370,724.41-511,621.76-209,594.48

Finding the Fourth Proportional to 370,724.41, 511,621.76 and 209,594.48

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Solution

The fourth proportional to 370,724.41, 511,621.76 and 209,594.48 is: 289,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,724.41 : 511,621.76 = 209,594.48 : x
  2. Step 2: Convert to fraction form
    370,724.41/511,621.76 = 209,594.48/x
  3. Step 3: Cross multiply
    370,724.41x = 511,621.76 × 209,594.48
  4. Step 4: Simplify right side
    370,724.41x = 107,233,095,695.91
  5. Step 5: Solve for x
    x = 107,233,095,695.91/370,724.41
  6. Step 6: Final answer
    x = 289,252.86

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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.