Home / 1,678,336.98-2,316,105.28-914,390.54

Finding the Fourth Proportional to 1,678,336.98, 2,316,105.28 and 914,390.54

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Solution

The fourth proportional to 1,678,336.98, 2,316,105.28 and 914,390.54 is: 1,261,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,336.98 : 2,316,105.28 = 914,390.54 : x
  2. Step 2: Convert to fraction form
    1,678,336.98/2,316,105.28 = 914,390.54/x
  3. Step 3: Cross multiply
    1,678,336.98x = 2,316,105.28 × 914,390.54
  4. Step 4: Simplify right side
    1,678,336.98x = 2,117,824,757,676.05
  5. Step 5: Solve for x
    x = 2,117,824,757,676.05/1,678,336.98
  6. Step 6: Final answer
    x = 1,261,859.08

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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.