Home / 436,485.24-654,725.28-112,272.84

Finding the Fourth Proportional to 436,485.24, 654,725.28 and 112,272.84

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Solution

The fourth proportional to 436,485.24, 654,725.28 and 112,272.84 is: 168,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,485.24 : 654,725.28 = 112,272.84 : x
  2. Step 2: Convert to fraction form
    436,485.24/654,725.28 = 112,272.84/x
  3. Step 3: Cross multiply
    436,485.24x = 654,725.28 × 112,272.84
  4. Step 4: Simplify right side
    436,485.24x = 73,507,866,605.40
  5. Step 5: Solve for x
    x = 73,507,866,605.40/436,485.24
  6. Step 6: Final answer
    x = 168,408.60

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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.