Home / 1,257,411.54-1,735,267.06-684,489.90

Finding the Fourth Proportional to 1,257,411.54, 1,735,267.06 and 684,489.90

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Solution

The fourth proportional to 1,257,411.54, 1,735,267.06 and 684,489.90 is: 944,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,411.54 : 1,735,267.06 = 684,489.90 : x
  2. Step 2: Convert to fraction form
    1,257,411.54/1,735,267.06 = 684,489.90/x
  3. Step 3: Cross multiply
    1,257,411.54x = 1,735,267.06 × 684,489.90
  4. Step 4: Simplify right side
    1,257,411.54x = 1,187,772,776,372.69
  5. Step 5: Solve for x
    x = 1,187,772,776,372.69/1,257,411.54
  6. Step 6: Final answer
    x = 944,617.37

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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.