Home / 1,451,187.15-2,176,826.40-371,706.45

Finding the Fourth Proportional to 1,451,187.15, 2,176,826.40 and 371,706.45

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Solution

The fourth proportional to 1,451,187.15, 2,176,826.40 and 371,706.45 is: 557,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,187.15 : 2,176,826.40 = 371,706.45 : x
  2. Step 2: Convert to fraction form
    1,451,187.15/2,176,826.40 = 371,706.45/x
  3. Step 3: Cross multiply
    1,451,187.15x = 2,176,826.40 × 371,706.45
  4. Step 4: Simplify right side
    1,451,187.15x = 809,140,413,410.28
  5. Step 5: Solve for x
    x = 809,140,413,410.28/1,451,187.15
  6. Step 6: Final answer
    x = 557,571.37

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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.