Home / 1,709,126.76-2,561,447.58-1,257,734.76

Finding the Fourth Proportional to 1,709,126.76, 2,561,447.58 and 1,257,734.76

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Solution

The fourth proportional to 1,709,126.76, 2,561,447.58 and 1,257,734.76 is: 1,884,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,126.76 : 2,561,447.58 = 1,257,734.76 : x
  2. Step 2: Convert to fraction form
    1,709,126.76/2,561,447.58 = 1,257,734.76/x
  3. Step 3: Cross multiply
    1,709,126.76x = 2,561,447.58 × 1,257,734.76
  4. Step 4: Simplify right side
    1,709,126.76x = 3,221,621,657,283.88
  5. Step 5: Solve for x
    x = 3,221,621,657,283.88/1,709,126.76
  6. Step 6: Final answer
    x = 1,884,951.86

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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.