Home / 436,412.20-654,618.30-155,938.60

Finding the Fourth Proportional to 436,412.20, 654,618.30 and 155,938.60

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Solution

The fourth proportional to 436,412.20, 654,618.30 and 155,938.60 is: 233,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,412.20 : 654,618.30 = 155,938.60 : x
  2. Step 2: Convert to fraction form
    436,412.20/654,618.30 = 155,938.60/x
  3. Step 3: Cross multiply
    436,412.20x = 654,618.30 × 155,938.60
  4. Step 4: Simplify right side
    436,412.20x = 102,080,261,236.38
  5. Step 5: Solve for x
    x = 102,080,261,236.38/436,412.20
  6. Step 6: Final answer
    x = 233,907.90

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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.