Home / 1,117,975.46-1,542,728.31-634,550.45

Finding the Fourth Proportional to 1,117,975.46, 1,542,728.31 and 634,550.45

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Solution

The fourth proportional to 1,117,975.46, 1,542,728.31 and 634,550.45 is: 875,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,975.46 : 1,542,728.31 = 634,550.45 : x
  2. Step 2: Convert to fraction form
    1,117,975.46/1,542,728.31 = 634,550.45/x
  3. Step 3: Cross multiply
    1,117,975.46x = 1,542,728.31 × 634,550.45
  4. Step 4: Simplify right side
    1,117,975.46x = 978,938,943,338.24
  5. Step 5: Solve for x
    x = 978,938,943,338.24/1,117,975.46
  6. Step 6: Final answer
    x = 875,635.45

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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.