Home / 682,684.23-1,023,988-209,368.29

Finding the Fourth Proportional to 682,684.23, 1,023,988 and 209,368.29

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Solution

The fourth proportional to 682,684.23, 1,023,988 and 209,368.29 is: 314,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,684.23 : 1,023,988 = 209,368.29 : x
  2. Step 2: Convert to fraction form
    682,684.23/1,023,988 = 209,368.29/x
  3. Step 3: Cross multiply
    682,684.23x = 1,023,988 × 209,368.29
  4. Step 4: Simplify right side
    682,684.23x = 214,390,616,540.52
  5. Step 5: Solve for x
    x = 214,390,616,540.52/682,684.23
  6. Step 6: Final answer
    x = 314,040.68

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1.5x scale

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.