Home / 538,223.93-742,745.58-296,500.90

Finding the Fourth Proportional to 538,223.93, 742,745.58 and 296,500.90

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Solution

The fourth proportional to 538,223.93, 742,745.58 and 296,500.90 is: 409,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,223.93 : 742,745.58 = 296,500.90 : x
  2. Step 2: Convert to fraction form
    538,223.93/742,745.58 = 296,500.90/x
  3. Step 3: Cross multiply
    538,223.93x = 742,745.58 × 296,500.90
  4. Step 4: Simplify right side
    538,223.93x = 220,224,729,972.28
  5. Step 5: Solve for x
    x = 220,224,729,972.28/538,223.93
  6. Step 6: Final answer
    x = 409,169.34

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1.5x scale

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.