Home / 1,405,390.95-1,942,708.14-1,253,930.22

Finding the Fourth Proportional to 1,405,390.95, 1,942,708.14 and 1,253,930.22

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Solution

The fourth proportional to 1,405,390.95, 1,942,708.14 and 1,253,930.22 is: 1,733,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,390.95 : 1,942,708.14 = 1,253,930.22 : x
  2. Step 2: Convert to fraction form
    1,405,390.95/1,942,708.14 = 1,253,930.22/x
  3. Step 3: Cross multiply
    1,405,390.95x = 1,942,708.14 × 1,253,930.22
  4. Step 4: Simplify right side
    1,405,390.95x = 2,436,020,445,385.99
  5. Step 5: Solve for x
    x = 2,436,020,445,385.99/1,405,390.95
  6. Step 6: Final answer
    x = 1,733,340.07

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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.