Home / 1,257,211.98-1,734,952.50-684,256.23

Finding the Fourth Proportional to 1,257,211.98, 1,734,952.50 and 684,256.23

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Solution

The fourth proportional to 1,257,211.98, 1,734,952.50 and 684,256.23 is: 944,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,211.98 : 1,734,952.50 = 684,256.23 : x
  2. Step 2: Convert to fraction form
    1,257,211.98/1,734,952.50 = 684,256.23/x
  3. Step 3: Cross multiply
    1,257,211.98x = 1,734,952.50 × 684,256.23
  4. Step 4: Simplify right side
    1,257,211.98x = 1,187,152,056,879.08
  5. Step 5: Solve for x
    x = 1,187,152,056,879.08/1,257,211.98
  6. Step 6: Final answer
    x = 944,273.58

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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.