Home / 1,257,099.36-1,734,763.87-684,127.23

Finding the Fourth Proportional to 1,257,099.36, 1,734,763.87 and 684,127.23

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Solution

The fourth proportional to 1,257,099.36, 1,734,763.87 and 684,127.23 is: 944,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,099.36 : 1,734,763.87 = 684,127.23 : x
  2. Step 2: Convert to fraction form
    1,257,099.36/1,734,763.87 = 684,127.23/x
  3. Step 3: Cross multiply
    1,257,099.36x = 1,734,763.87 × 684,127.23
  4. Step 4: Simplify right side
    1,257,099.36x = 1,186,799,201,087.18
  5. Step 5: Solve for x
    x = 1,186,799,201,087.18/1,257,099.36
  6. Step 6: Final answer
    x = 944,077.48

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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.