Home / 706,328.83-1,058,072.91-326,716.66

Finding the Fourth Proportional to 706,328.83, 1,058,072.91 and 326,716.66

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Solution

The fourth proportional to 706,328.83, 1,058,072.91 and 326,716.66 is: 489,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,328.83 : 1,058,072.91 = 326,716.66 : x
  2. Step 2: Convert to fraction form
    706,328.83/1,058,072.91 = 326,716.66/x
  3. Step 3: Cross multiply
    706,328.83x = 1,058,072.91 × 326,716.66
  4. Step 4: Simplify right side
    706,328.83x = 345,690,047,191.68
  5. Step 5: Solve for x
    x = 345,690,047,191.68/706,328.83
  6. Step 6: Final answer
    x = 489,418.01

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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.