Home / 1,219,556.93-1,682,966.70-675,681.77

Finding the Fourth Proportional to 1,219,556.93, 1,682,966.70 and 675,681.77

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Solution

The fourth proportional to 1,219,556.93, 1,682,966.70 and 675,681.77 is: 932,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,556.93 : 1,682,966.70 = 675,681.77 : x
  2. Step 2: Convert to fraction form
    1,219,556.93/1,682,966.70 = 675,681.77/x
  3. Step 3: Cross multiply
    1,219,556.93x = 1,682,966.70 × 675,681.77
  4. Step 4: Simplify right side
    1,219,556.93x = 1,137,149,922,914.48
  5. Step 5: Solve for x
    x = 1,137,149,922,914.48/1,219,556.93
  6. Step 6: Final answer
    x = 932,428.74

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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.