Home / 1,257,392.88-1,886,108.88-699,970.32

Finding the Fourth Proportional to 1,257,392.88, 1,886,108.88 and 699,970.32

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Solution

The fourth proportional to 1,257,392.88, 1,886,108.88 and 699,970.32 is: 1,049,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,392.88 : 1,886,108.88 = 699,970.32 : x
  2. Step 2: Convert to fraction form
    1,257,392.88/1,886,108.88 = 699,970.32/x
  3. Step 3: Cross multiply
    1,257,392.88x = 1,886,108.88 × 699,970.32
  4. Step 4: Simplify right side
    1,257,392.88x = 1,320,220,236,288.44
  5. Step 5: Solve for x
    x = 1,320,220,236,288.44/1,257,392.88
  6. Step 6: Final answer
    x = 1,049,966.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.