Home / 708,636.40-1,063,100.40-235,661.20

Finding the Fourth Proportional to 708,636.40, 1,063,100.40 and 235,661.20

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Solution

The fourth proportional to 708,636.40, 1,063,100.40 and 235,661.20 is: 353,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,636.40 : 1,063,100.40 = 235,661.20 : x
  2. Step 2: Convert to fraction form
    708,636.40/1,063,100.40 = 235,661.20/x
  3. Step 3: Cross multiply
    708,636.40x = 1,063,100.40 × 235,661.20
  4. Step 4: Simplify right side
    708,636.40x = 250,531,515,984.48
  5. Step 5: Solve for x
    x = 250,531,515,984.48/708,636.40
  6. Step 6: Final answer
    x = 353,540.29

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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.