Home / 1,639,969.83-2,263,173.09-904,956.80

Finding the Fourth Proportional to 1,639,969.83, 2,263,173.09 and 904,956.80

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Solution

The fourth proportional to 1,639,969.83, 2,263,173.09 and 904,956.80 is: 1,248,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,969.83 : 2,263,173.09 = 904,956.80 : x
  2. Step 2: Convert to fraction form
    1,639,969.83/2,263,173.09 = 904,956.80/x
  3. Step 3: Cross multiply
    1,639,969.83x = 2,263,173.09 × 904,956.80
  4. Step 4: Simplify right side
    1,639,969.83x = 2,048,073,866,056.65
  5. Step 5: Solve for x
    x = 2,048,073,866,056.65/1,639,969.83
  6. Step 6: Final answer
    x = 1,248,848.50

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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.