Home / 397,355.20-596,032.80-377,137.60

Finding the Fourth Proportional to 397,355.20, 596,032.80 and 377,137.60

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Solution

The fourth proportional to 397,355.20, 596,032.80 and 377,137.60 is: 565,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,355.20 : 596,032.80 = 377,137.60 : x
  2. Step 2: Convert to fraction form
    397,355.20/596,032.80 = 377,137.60/x
  3. Step 3: Cross multiply
    397,355.20x = 596,032.80 × 377,137.60
  4. Step 4: Simplify right side
    397,355.20x = 224,786,379,713.28
  5. Step 5: Solve for x
    x = 224,786,379,713.28/397,355.20
  6. Step 6: Final answer
    x = 565,706.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.