Home / 1,297,810.91-1,945,436.94-455,772.17

Finding the Fourth Proportional to 1,297,810.91, 1,945,436.94 and 455,772.17

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Solution

The fourth proportional to 1,297,810.91, 1,945,436.94 and 455,772.17 is: 683,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,810.91 : 1,945,436.94 = 455,772.17 : x
  2. Step 2: Convert to fraction form
    1,297,810.91/1,945,436.94 = 455,772.17/x
  3. Step 3: Cross multiply
    1,297,810.91x = 1,945,436.94 × 455,772.17
  4. Step 4: Simplify right side
    1,297,810.91x = 886,676,009,662.47
  5. Step 5: Solve for x
    x = 886,676,009,662.47/1,297,810.91
  6. Step 6: Final answer
    x = 683,208.94

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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.