Home / 825,938.71-1,238,905.13-465,946.26

Finding the Fourth Proportional to 825,938.71, 1,238,905.13 and 465,946.26

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Solution

The fourth proportional to 825,938.71, 1,238,905.13 and 465,946.26 is: 698,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,938.71 : 1,238,905.13 = 465,946.26 : x
  2. Step 2: Convert to fraction form
    825,938.71/1,238,905.13 = 465,946.26/x
  3. Step 3: Cross multiply
    825,938.71x = 1,238,905.13 × 465,946.26
  4. Step 4: Simplify right side
    825,938.71x = 577,263,204,842.69
  5. Step 5: Solve for x
    x = 577,263,204,842.69/825,938.71
  6. Step 6: Final answer
    x = 698,917.73

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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.