Home / 404,119.20-607,053.60-389,247.60

Finding the Fourth Proportional to 404,119.20, 607,053.60 and 389,247.60

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Solution

The fourth proportional to 404,119.20, 607,053.60 and 389,247.60 is: 584,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,119.20 : 607,053.60 = 389,247.60 : x
  2. Step 2: Convert to fraction form
    404,119.20/607,053.60 = 389,247.60/x
  3. Step 3: Cross multiply
    404,119.20x = 607,053.60 × 389,247.60
  4. Step 4: Simplify right side
    404,119.20x = 236,294,156,871.36
  5. Step 5: Solve for x
    x = 236,294,156,871.36/404,119.20
  6. Step 6: Final answer
    x = 584,714.01

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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.