Home / 1,117,934.46-1,542,671.73-634,509.45

Finding the Fourth Proportional to 1,117,934.46, 1,542,671.73 and 634,509.45

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Solution

The fourth proportional to 1,117,934.46, 1,542,671.73 and 634,509.45 is: 875,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,934.46 : 1,542,671.73 = 634,509.45 : x
  2. Step 2: Convert to fraction form
    1,117,934.46/1,542,671.73 = 634,509.45/x
  3. Step 3: Cross multiply
    1,117,934.46x = 1,542,671.73 × 634,509.45
  4. Step 4: Simplify right side
    1,117,934.46x = 978,839,790,932.85
  5. Step 5: Solve for x
    x = 978,839,790,932.85/1,117,934.46
  6. Step 6: Final answer
    x = 875,578.87

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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.