Home / 1,257,414.78-1,735,162.02-684,420.78

Finding the Fourth Proportional to 1,257,414.78, 1,735,162.02 and 684,420.78

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Solution

The fourth proportional to 1,257,414.78, 1,735,162.02 and 684,420.78 is: 944,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,414.78 : 1,735,162.02 = 684,420.78 : x
  2. Step 2: Convert to fraction form
    1,257,414.78/1,735,162.02 = 684,420.78/x
  3. Step 3: Cross multiply
    1,257,414.78x = 1,735,162.02 × 684,420.78
  4. Step 4: Simplify right side
    1,257,414.78x = 1,187,580,943,154.78
  5. Step 5: Solve for x
    x = 1,187,580,943,154.78/1,257,414.78
  6. Step 6: Final answer
    x = 944,462.37

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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.