Home / 1,257,931.18-1,735,965.76-684,982.54

Finding the Fourth Proportional to 1,257,931.18, 1,735,965.76 and 684,982.54

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Solution

The fourth proportional to 1,257,931.18, 1,735,965.76 and 684,982.54 is: 945,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,931.18 : 1,735,965.76 = 684,982.54 : x
  2. Step 2: Convert to fraction form
    1,257,931.18/1,735,965.76 = 684,982.54/x
  3. Step 3: Cross multiply
    1,257,931.18x = 1,735,965.76 × 684,982.54
  4. Step 4: Simplify right side
    1,257,931.18x = 1,189,106,226,958.00
  5. Step 5: Solve for x
    x = 1,189,106,226,958.00/1,257,931.18
  6. Step 6: Final answer
    x = 945,287.19

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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.