Home / 589,556.20-883,427.10-439,090.60

Finding the Fourth Proportional to 589,556.20, 883,427.10 and 439,090.60

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Solution

The fourth proportional to 589,556.20, 883,427.10 and 439,090.60 is: 657,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,556.20 : 883,427.10 = 439,090.60 : x
  2. Step 2: Convert to fraction form
    589,556.20/883,427.10 = 439,090.60/x
  3. Step 3: Cross multiply
    589,556.20x = 883,427.10 × 439,090.60
  4. Step 4: Simplify right side
    589,556.20x = 387,904,535,395.26
  5. Step 5: Solve for x
    x = 387,904,535,395.26/589,556.20
  6. Step 6: Final answer
    x = 657,960.23

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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.