Home / 537,729.69-742,076.42-292,721.50

Finding the Fourth Proportional to 537,729.69, 742,076.42 and 292,721.50

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Solution

The fourth proportional to 537,729.69, 742,076.42 and 292,721.50 is: 403,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,729.69 : 742,076.42 = 292,721.50 : x
  2. Step 2: Convert to fraction form
    537,729.69/742,076.42 = 292,721.50/x
  3. Step 3: Cross multiply
    537,729.69x = 742,076.42 × 292,721.50
  4. Step 4: Simplify right side
    537,729.69x = 217,221,722,777.03
  5. Step 5: Solve for x
    x = 217,221,722,777.03/537,729.69
  6. Step 6: Final answer
    x = 403,960.81

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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.