Home / 1,257,540.17-1,735,405.70-684,580.19

Finding the Fourth Proportional to 1,257,540.17, 1,735,405.70 and 684,580.19

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Solution

The fourth proportional to 1,257,540.17, 1,735,405.70 and 684,580.19 is: 944,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,540.17 : 1,735,405.70 = 684,580.19 : x
  2. Step 2: Convert to fraction form
    1,257,540.17/1,735,405.70 = 684,580.19/x
  3. Step 3: Cross multiply
    1,257,540.17x = 1,735,405.70 × 684,580.19
  4. Step 4: Simplify right side
    1,257,540.17x = 1,188,024,361,206.02
  5. Step 5: Solve for x
    x = 1,188,024,361,206.02/1,257,540.17
  6. Step 6: Final answer
    x = 944,720.81

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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.