Home / 433,558.20-649,899.90-197,070.60

Finding the Fourth Proportional to 433,558.20, 649,899.90 and 197,070.60

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Solution

The fourth proportional to 433,558.20, 649,899.90 and 197,070.60 is: 295,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,558.20 : 649,899.90 = 197,070.60 : x
  2. Step 2: Convert to fraction form
    433,558.20/649,899.90 = 197,070.60/x
  3. Step 3: Cross multiply
    433,558.20x = 649,899.90 × 197,070.60
  4. Step 4: Simplify right side
    433,558.20x = 128,076,163,232.94
  5. Step 5: Solve for x
    x = 128,076,163,232.94/433,558.20
  6. Step 6: Final answer
    x = 295,407.08

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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.