Home / 1,257,211.94-1,734,952.50-684,256.28

Finding the Fourth Proportional to 1,257,211.94, 1,734,952.50 and 684,256.28

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Solution

The fourth proportional to 1,257,211.94, 1,734,952.50 and 684,256.28 is: 944,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,211.94 : 1,734,952.50 = 684,256.28 : x
  2. Step 2: Convert to fraction form
    1,257,211.94/1,734,952.50 = 684,256.28/x
  3. Step 3: Cross multiply
    1,257,211.94x = 1,734,952.50 × 684,256.28
  4. Step 4: Simplify right side
    1,257,211.94x = 1,187,152,134,951.94
  5. Step 5: Solve for x
    x = 1,187,152,134,951.94/1,257,211.94
  6. Step 6: Final answer
    x = 944,273.68

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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.