Home / 756,134.34-1,043,455.77-411,984.60

Finding the Fourth Proportional to 756,134.34, 1,043,455.77 and 411,984.60

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Solution

The fourth proportional to 756,134.34, 1,043,455.77 and 411,984.60 is: 568,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,134.34 : 1,043,455.77 = 411,984.60 : x
  2. Step 2: Convert to fraction form
    756,134.34/1,043,455.77 = 411,984.60/x
  3. Step 3: Cross multiply
    756,134.34x = 1,043,455.77 × 411,984.60
  4. Step 4: Simplify right side
    756,134.34x = 429,887,708,021.14
  5. Step 5: Solve for x
    x = 429,887,708,021.14/756,134.34
  6. Step 6: Final answer
    x = 568,533.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.