Home / 706,040.49-1,058,465.63-306,380.25

Finding the Fourth Proportional to 706,040.49, 1,058,465.63 and 306,380.25

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Solution

The fourth proportional to 706,040.49, 1,058,465.63 and 306,380.25 is: 459,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,040.49 : 1,058,465.63 = 306,380.25 : x
  2. Step 2: Convert to fraction form
    706,040.49/1,058,465.63 = 306,380.25/x
  3. Step 3: Cross multiply
    706,040.49x = 1,058,465.63 × 306,380.25
  4. Step 4: Simplify right side
    706,040.49x = 324,292,960,401.44
  5. Step 5: Solve for x
    x = 324,292,960,401.44/706,040.49
  6. Step 6: Final answer
    x = 459,312.13

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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.