Home / 1,235,140-1,704,539.28-698,584.48

Finding the Fourth Proportional to 1,235,140, 1,704,539.28 and 698,584.48

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Solution

The fourth proportional to 1,235,140, 1,704,539.28 and 698,584.48 is: 964,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,140 : 1,704,539.28 = 698,584.48 : x
  2. Step 2: Convert to fraction form
    1,235,140/1,704,539.28 = 698,584.48/x
  3. Step 3: Cross multiply
    1,235,140x = 1,704,539.28 × 698,584.48
  4. Step 4: Simplify right side
    1,235,140x = 1,190,764,686,558.37
  5. Step 5: Solve for x
    x = 1,190,764,686,558.37/1,235,140
  6. Step 6: Final answer
    x = 964,072.64

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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.