Home / 433,531.20-649,859.40-197,043.60

Finding the Fourth Proportional to 433,531.20, 649,859.40 and 197,043.60

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Solution

The fourth proportional to 433,531.20, 649,859.40 and 197,043.60 is: 295,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,531.20 : 649,859.40 = 197,043.60 : x
  2. Step 2: Convert to fraction form
    433,531.20/649,859.40 = 197,043.60/x
  3. Step 3: Cross multiply
    433,531.20x = 649,859.40 × 197,043.60
  4. Step 4: Simplify right side
    433,531.20x = 128,050,635,669.84
  5. Step 5: Solve for x
    x = 128,050,635,669.84/433,531.20
  6. Step 6: Final answer
    x = 295,366.60

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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.