Home / 1,683,550.05-2,525,698.23-485,378.86

Finding the Fourth Proportional to 1,683,550.05, 2,525,698.23 and 485,378.86

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Solution

The fourth proportional to 1,683,550.05, 2,525,698.23 and 485,378.86 is: 728,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,550.05 : 2,525,698.23 = 485,378.86 : x
  2. Step 2: Convert to fraction form
    1,683,550.05/2,525,698.23 = 485,378.86/x
  3. Step 3: Cross multiply
    1,683,550.05x = 2,525,698.23 × 485,378.86
  4. Step 4: Simplify right side
    1,683,550.05x = 1,225,920,525,154.52
  5. Step 5: Solve for x
    x = 1,225,920,525,154.52/1,683,550.05
  6. Step 6: Final answer
    x = 728,175.87

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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.