Home / 1,330,453.12-1,994,285.76-619,895.20

Finding the Fourth Proportional to 1,330,453.12, 1,994,285.76 and 619,895.20

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Solution

The fourth proportional to 1,330,453.12, 1,994,285.76 and 619,895.20 is: 929,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,453.12 : 1,994,285.76 = 619,895.20 : x
  2. Step 2: Convert to fraction form
    1,330,453.12/1,994,285.76 = 619,895.20/x
  3. Step 3: Cross multiply
    1,330,453.12x = 1,994,285.76 × 619,895.20
  4. Step 4: Simplify right side
    1,330,453.12x = 1,236,248,170,052.35
  5. Step 5: Solve for x
    x = 1,236,248,170,052.35/1,330,453.12
  6. Step 6: Final answer
    x = 929,193.33

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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.