Home / 1,381,879.40-2,072,819.10-483,022.40

Finding the Fourth Proportional to 1,381,879.40, 2,072,819.10 and 483,022.40

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Solution

The fourth proportional to 1,381,879.40, 2,072,819.10 and 483,022.40 is: 724,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,879.40 : 2,072,819.10 = 483,022.40 : x
  2. Step 2: Convert to fraction form
    1,381,879.40/2,072,819.10 = 483,022.40/x
  3. Step 3: Cross multiply
    1,381,879.40x = 2,072,819.10 × 483,022.40
  4. Step 4: Simplify right side
    1,381,879.40x = 1,001,218,056,447.84
  5. Step 5: Solve for x
    x = 1,001,218,056,447.84/1,381,879.40
  6. Step 6: Final answer
    x = 724,533.60

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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.