Home / 1,117,640.26-1,542,300.75-634,176.57

Finding the Fourth Proportional to 1,117,640.26, 1,542,300.75 and 634,176.57

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Solution

The fourth proportional to 1,117,640.26, 1,542,300.75 and 634,176.57 is: 875,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,640.26 : 1,542,300.75 = 634,176.57 : x
  2. Step 2: Convert to fraction form
    1,117,640.26/1,542,300.75 = 634,176.57/x
  3. Step 3: Cross multiply
    1,117,640.26x = 1,542,300.75 × 634,176.57
  4. Step 4: Simplify right side
    1,117,640.26x = 978,091,005,327.06
  5. Step 5: Solve for x
    x = 978,091,005,327.06/1,117,640.26
  6. Step 6: Final answer
    x = 875,139.38

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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.