Home / 682,681.98-1,023,984.63-209,366.04

Finding the Fourth Proportional to 682,681.98, 1,023,984.63 and 209,366.04

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Solution

The fourth proportional to 682,681.98, 1,023,984.63 and 209,366.04 is: 314,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,681.98 : 1,023,984.63 = 209,366.04 : x
  2. Step 2: Convert to fraction form
    682,681.98/1,023,984.63 = 209,366.04/x
  3. Step 3: Cross multiply
    682,681.98x = 1,023,984.63 × 209,366.04
  4. Step 4: Simplify right side
    682,681.98x = 214,387,607,003.97
  5. Step 5: Solve for x
    x = 214,387,607,003.97/682,681.98
  6. Step 6: Final answer
    x = 314,037.30

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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.