Home / 659,578.23-989,537.90-386,255.25

Finding the Fourth Proportional to 659,578.23, 989,537.90 and 386,255.25

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Solution

The fourth proportional to 659,578.23, 989,537.90 and 386,255.25 is: 579,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,578.23 : 989,537.90 = 386,255.25 : x
  2. Step 2: Convert to fraction form
    659,578.23/989,537.90 = 386,255.25/x
  3. Step 3: Cross multiply
    659,578.23x = 989,537.90 × 386,255.25
  4. Step 4: Simplify right side
    659,578.23x = 382,214,208,948.98
  5. Step 5: Solve for x
    x = 382,214,208,948.98/659,578.23
  6. Step 6: Final answer
    x = 579,482.75

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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.