Home / 682,681.23-1,023,983.51-209,365.29

Finding the Fourth Proportional to 682,681.23, 1,023,983.51 and 209,365.29

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Solution

The fourth proportional to 682,681.23, 1,023,983.51 and 209,365.29 is: 314,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,681.23 : 1,023,983.51 = 209,365.29 : x
  2. Step 2: Convert to fraction form
    682,681.23/1,023,983.51 = 209,365.29/x
  3. Step 3: Cross multiply
    682,681.23x = 1,023,983.51 × 209,365.29
  4. Step 4: Simplify right side
    682,681.23x = 214,386,603,479.54
  5. Step 5: Solve for x
    x = 214,386,603,479.54/682,681.23
  6. Step 6: Final answer
    x = 314,036.18

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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.