Home / 1,117,649.54-1,542,313.51-634,185.86

Finding the Fourth Proportional to 1,117,649.54, 1,542,313.51 and 634,185.86

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Solution

The fourth proportional to 1,117,649.54, 1,542,313.51 and 634,185.86 is: 875,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,649.54 : 1,542,313.51 = 634,185.86 : x
  2. Step 2: Convert to fraction form
    1,117,649.54/1,542,313.51 = 634,185.86/x
  3. Step 3: Cross multiply
    1,117,649.54x = 1,542,313.51 × 634,185.86
  4. Step 4: Simplify right side
    1,117,649.54x = 978,113,410,431.94
  5. Step 5: Solve for x
    x = 978,113,410,431.94/1,117,649.54
  6. Step 6: Final answer
    x = 875,152.16

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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.