Home / 458,761.04-688,237.26-231,184.64

Finding the Fourth Proportional to 458,761.04, 688,237.26 and 231,184.64

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Solution

The fourth proportional to 458,761.04, 688,237.26 and 231,184.64 is: 346,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,761.04 : 688,237.26 = 231,184.64 : x
  2. Step 2: Convert to fraction form
    458,761.04/688,237.26 = 231,184.64/x
  3. Step 3: Cross multiply
    458,761.04x = 688,237.26 × 231,184.64
  4. Step 4: Simplify right side
    458,761.04x = 159,109,883,187.69
  5. Step 5: Solve for x
    x = 159,109,883,187.69/458,761.04
  6. Step 6: Final answer
    x = 346,825.19

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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.