Home / 1,124,039.12-1,685,270.12-413,976.12

Finding the Fourth Proportional to 1,124,039.12, 1,685,270.12 and 413,976.12

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Solution

The fourth proportional to 1,124,039.12, 1,685,270.12 and 413,976.12 is: 620,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,039.12 : 1,685,270.12 = 413,976.12 : x
  2. Step 2: Convert to fraction form
    1,124,039.12/1,685,270.12 = 413,976.12/x
  3. Step 3: Cross multiply
    1,124,039.12x = 1,685,270.12 × 413,976.12
  4. Step 4: Simplify right side
    1,124,039.12x = 697,661,585,429.53
  5. Step 5: Solve for x
    x = 697,661,585,429.53/1,124,039.12
  6. Step 6: Final answer
    x = 620,673.76

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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.