Home / 861,911.21-1,294,009.56-736,358.27

Finding the Fourth Proportional to 861,911.21, 1,294,009.56 and 736,358.27

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Solution

The fourth proportional to 861,911.21, 1,294,009.56 and 736,358.27 is: 1,105,513.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,911.21 : 1,294,009.56 = 736,358.27 : x
  2. Step 2: Convert to fraction form
    861,911.21/1,294,009.56 = 736,358.27/x
  3. Step 3: Cross multiply
    861,911.21x = 1,294,009.56 × 736,358.27
  4. Step 4: Simplify right side
    861,911.21x = 952,854,634,495.01
  5. Step 5: Solve for x
    x = 952,854,634,495.01/861,911.21
  6. Step 6: Final answer
    x = 1,105,513.68

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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.