Home / 1,213,234.61-1,819,895.65-454,999.28

Finding the Fourth Proportional to 1,213,234.61, 1,819,895.65 and 454,999.28

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Solution

The fourth proportional to 1,213,234.61, 1,819,895.65 and 454,999.28 is: 682,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,234.61 : 1,819,895.65 = 454,999.28 : x
  2. Step 2: Convert to fraction form
    1,213,234.61/1,819,895.65 = 454,999.28/x
  3. Step 3: Cross multiply
    1,213,234.61x = 1,819,895.65 × 454,999.28
  4. Step 4: Simplify right side
    1,213,234.61x = 828,051,200,188.16
  5. Step 5: Solve for x
    x = 828,051,200,188.16/1,213,234.61
  6. Step 6: Final answer
    x = 682,515.32

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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.