Home / 383,516.76-528,699.74-268,439.24

Finding the Fourth Proportional to 383,516.76, 528,699.74 and 268,439.24

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Solution

The fourth proportional to 383,516.76, 528,699.74 and 268,439.24 is: 370,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,516.76 : 528,699.74 = 268,439.24 : x
  2. Step 2: Convert to fraction form
    383,516.76/528,699.74 = 268,439.24/x
  3. Step 3: Cross multiply
    383,516.76x = 528,699.74 × 268,439.24
  4. Step 4: Simplify right side
    383,516.76x = 141,923,756,393.80
  5. Step 5: Solve for x
    x = 141,923,756,393.80/383,516.76
  6. Step 6: Final answer
    x = 370,058.81

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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.