Home / 1,683,195.25-2,525,147.51-545,868.76

Finding the Fourth Proportional to 1,683,195.25, 2,525,147.51 and 545,868.76

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Solution

The fourth proportional to 1,683,195.25, 2,525,147.51 and 545,868.76 is: 818,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,195.25 : 2,525,147.51 = 545,868.76 : x
  2. Step 2: Convert to fraction form
    1,683,195.25/2,525,147.51 = 545,868.76/x
  3. Step 3: Cross multiply
    1,683,195.25x = 2,525,147.51 × 545,868.76
  4. Step 4: Simplify right side
    1,683,195.25x = 1,378,399,140,100.79
  5. Step 5: Solve for x
    x = 1,378,399,140,100.79/1,683,195.25
  6. Step 6: Final answer
    x = 818,918.15

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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.