Home / 1,117,979.94-1,542,951.78-634,701.54

Finding the Fourth Proportional to 1,117,979.94, 1,542,951.78 and 634,701.54

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Solution

The fourth proportional to 1,117,979.94, 1,542,951.78 and 634,701.54 is: 875,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,979.94 : 1,542,951.78 = 634,701.54 : x
  2. Step 2: Convert to fraction form
    1,117,979.94/1,542,951.78 = 634,701.54/x
  3. Step 3: Cross multiply
    1,117,979.94x = 1,542,951.78 × 634,701.54
  4. Step 4: Simplify right side
    1,117,979.94x = 979,313,870,911.74
  5. Step 5: Solve for x
    x = 979,313,870,911.74/1,117,979.94
  6. Step 6: Final answer
    x = 875,967.30

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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.