Home / 404,390.07-606,532.38-120,074.90

Finding the Fourth Proportional to 404,390.07, 606,532.38 and 120,074.90

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Solution

The fourth proportional to 404,390.07, 606,532.38 and 120,074.90 is: 180,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,390.07 : 606,532.38 = 120,074.90 : x
  2. Step 2: Convert to fraction form
    404,390.07/606,532.38 = 120,074.90/x
  3. Step 3: Cross multiply
    404,390.07x = 606,532.38 × 120,074.90
  4. Step 4: Simplify right side
    404,390.07x = 72,829,311,842.60
  5. Step 5: Solve for x
    x = 72,829,311,842.60/404,390.07
  6. Step 6: Final answer
    x = 180,096.69

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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.