Home / 603,715.47-904,078.48-443,411.25

Finding the Fourth Proportional to 603,715.47, 904,078.48 and 443,411.25

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Solution

The fourth proportional to 603,715.47, 904,078.48 and 443,411.25 is: 664,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,715.47 : 904,078.48 = 443,411.25 : x
  2. Step 2: Convert to fraction form
    603,715.47/904,078.48 = 443,411.25/x
  3. Step 3: Cross multiply
    603,715.47x = 904,078.48 × 443,411.25
  4. Step 4: Simplify right side
    603,715.47x = 400,878,568,914.90
  5. Step 5: Solve for x
    x = 400,878,568,914.90/603,715.47
  6. Step 6: Final answer
    x = 664,019.04

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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.