Home / 1,257,419.43-1,735,239.03-684,459.57

Finding the Fourth Proportional to 1,257,419.43, 1,735,239.03 and 684,459.57

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Solution

The fourth proportional to 1,257,419.43, 1,735,239.03 and 684,459.57 is: 944,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,419.43 : 1,735,239.03 = 684,459.57 : x
  2. Step 2: Convert to fraction form
    1,257,419.43/1,735,239.03 = 684,459.57/x
  3. Step 3: Cross multiply
    1,257,419.43x = 1,735,239.03 × 684,459.57
  4. Step 4: Simplify right side
    1,257,419.43x = 1,187,700,960,321.02
  5. Step 5: Solve for x
    x = 1,187,700,960,321.02/1,257,419.43
  6. Step 6: Final answer
    x = 944,554.32

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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.