Home / 1,257,813.55-1,735,765.36-684,853.71

Finding the Fourth Proportional to 1,257,813.55, 1,735,765.36 and 684,853.71

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Solution

The fourth proportional to 1,257,813.55, 1,735,765.36 and 684,853.71 is: 945,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,813.55 : 1,735,765.36 = 684,853.71 : x
  2. Step 2: Convert to fraction form
    1,257,813.55/1,735,765.36 = 684,853.71/x
  3. Step 3: Cross multiply
    1,257,813.55x = 1,735,765.36 × 684,853.71
  4. Step 4: Simplify right side
    1,257,813.55x = 1,188,745,346,485.49
  5. Step 5: Solve for x
    x = 1,188,745,346,485.49/1,257,813.55
  6. Step 6: Final answer
    x = 945,088.68

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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.