Home / 370,940.27-553,076.93-339,271.29

Finding the Fourth Proportional to 370,940.27, 553,076.93 and 339,271.29

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Solution

The fourth proportional to 370,940.27, 553,076.93 and 339,271.29 is: 505,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,940.27 : 553,076.93 = 339,271.29 : x
  2. Step 2: Convert to fraction form
    370,940.27/553,076.93 = 339,271.29/x
  3. Step 3: Cross multiply
    370,940.27x = 553,076.93 × 339,271.29
  4. Step 4: Simplify right side
    370,940.27x = 187,643,123,510.34
  5. Step 5: Solve for x
    x = 187,643,123,510.34/370,940.27
  6. Step 6: Final answer
    x = 505,858.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.