Home / 1,518,578.57-2,096,166.15-874,255.56

Finding the Fourth Proportional to 1,518,578.57, 2,096,166.15 and 874,255.56

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Solution

The fourth proportional to 1,518,578.57, 2,096,166.15 and 874,255.56 is: 1,206,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,578.57 : 2,096,166.15 = 874,255.56 : x
  2. Step 2: Convert to fraction form
    1,518,578.57/2,096,166.15 = 874,255.56/x
  3. Step 3: Cross multiply
    1,518,578.57x = 2,096,166.15 × 874,255.56
  4. Step 4: Simplify right side
    1,518,578.57x = 1,832,584,911,321.29
  5. Step 5: Solve for x
    x = 1,832,584,911,321.29/1,518,578.57
  6. Step 6: Final answer
    x = 1,206,776.49

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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.