Home / 659,577.23-989,536.40-386,254.25

Finding the Fourth Proportional to 659,577.23, 989,536.40 and 386,254.25

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Solution

The fourth proportional to 659,577.23, 989,536.40 and 386,254.25 is: 579,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,577.23 : 989,536.40 = 386,254.25 : x
  2. Step 2: Convert to fraction form
    659,577.23/989,536.40 = 386,254.25/x
  3. Step 3: Cross multiply
    659,577.23x = 989,536.40 × 386,254.25
  4. Step 4: Simplify right side
    659,577.23x = 382,212,633,150.75
  5. Step 5: Solve for x
    x = 382,212,633,150.75/659,577.23
  6. Step 6: Final answer
    x = 579,481.25

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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.