Home / 1,117,643.86-1,542,305.76-634,180.18

Finding the Fourth Proportional to 1,117,643.86, 1,542,305.76 and 634,180.18

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Solution

The fourth proportional to 1,117,643.86, 1,542,305.76 and 634,180.18 is: 875,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,643.86 : 1,542,305.76 = 634,180.18 : x
  2. Step 2: Convert to fraction form
    1,117,643.86/1,542,305.76 = 634,180.18/x
  3. Step 3: Cross multiply
    1,117,643.86x = 1,542,305.76 × 634,180.18
  4. Step 4: Simplify right side
    1,117,643.86x = 978,099,744,491.84
  5. Step 5: Solve for x
    x = 978,099,744,491.84/1,117,643.86
  6. Step 6: Final answer
    x = 875,144.38

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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.