Home / 1,257,891.32-1,735,888.88-684,935.60

Finding the Fourth Proportional to 1,257,891.32, 1,735,888.88 and 684,935.60

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Solution

The fourth proportional to 1,257,891.32, 1,735,888.88 and 684,935.60 is: 945,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,891.32 : 1,735,888.88 = 684,935.60 : x
  2. Step 2: Convert to fraction form
    1,257,891.32/1,735,888.88 = 684,935.60/x
  3. Step 3: Cross multiply
    1,257,891.32x = 1,735,888.88 × 684,935.60
  4. Step 4: Simplify right side
    1,257,891.32x = 1,188,972,080,736.26
  5. Step 5: Solve for x
    x = 1,188,972,080,736.26/1,257,891.32
  6. Step 6: Final answer
    x = 945,210.50

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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.