Home / 1,325,219.80-1,987,593.08-352,589.67

Finding the Fourth Proportional to 1,325,219.80, 1,987,593.08 and 352,589.67

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Solution

The fourth proportional to 1,325,219.80, 1,987,593.08 and 352,589.67 is: 528,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,219.80 : 1,987,593.08 = 352,589.67 : x
  2. Step 2: Convert to fraction form
    1,325,219.80/1,987,593.08 = 352,589.67/x
  3. Step 3: Cross multiply
    1,325,219.80x = 1,987,593.08 × 352,589.67
  4. Step 4: Simplify right side
    1,325,219.80x = 700,804,778,955.06
  5. Step 5: Solve for x
    x = 700,804,778,955.06/1,325,219.80
  6. Step 6: Final answer
    x = 528,821.54

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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.