Home / 891,271.00-1,230,111.23-528,894.67

Finding the Fourth Proportional to 891,271.00, 1,230,111.23 and 528,894.67

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Solution

The fourth proportional to 891,271.00, 1,230,111.23 and 528,894.67 is: 729,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,271.00 : 1,230,111.23 = 528,894.67 : x
  2. Step 2: Convert to fraction form
    891,271.00/1,230,111.23 = 528,894.67/x
  3. Step 3: Cross multiply
    891,271.00x = 1,230,111.23 × 528,894.67
  4. Step 4: Simplify right side
    891,271.00x = 650,599,269,640.85
  5. Step 5: Solve for x
    x = 650,599,269,640.85/891,271.00
  6. Step 6: Final answer
    x = 729,967.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.