Home / 465,537.21-698,291.96-128,598.06

Finding the Fourth Proportional to 465,537.21, 698,291.96 and 128,598.06

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Solution

The fourth proportional to 465,537.21, 698,291.96 and 128,598.06 is: 192,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,537.21 : 698,291.96 = 128,598.06 : x
  2. Step 2: Convert to fraction form
    465,537.21/698,291.96 = 128,598.06/x
  3. Step 3: Cross multiply
    465,537.21x = 698,291.96 × 128,598.06
  4. Step 4: Simplify right side
    465,537.21x = 89,798,993,345.20
  5. Step 5: Solve for x
    x = 89,798,993,345.20/465,537.21
  6. Step 6: Final answer
    x = 192,893.27

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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.