Home / 1,900,726.74-2,851,515.63-638,519.94

Finding the Fourth Proportional to 1,900,726.74, 2,851,515.63 and 638,519.94

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Solution

The fourth proportional to 1,900,726.74, 2,851,515.63 and 638,519.94 is: 957,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,726.74 : 2,851,515.63 = 638,519.94 : x
  2. Step 2: Convert to fraction form
    1,900,726.74/2,851,515.63 = 638,519.94/x
  3. Step 3: Cross multiply
    1,900,726.74x = 2,851,515.63 × 638,519.94
  4. Step 4: Simplify right side
    1,900,726.74x = 1,820,749,588,976.66
  5. Step 5: Solve for x
    x = 1,820,749,588,976.66/1,900,726.74
  6. Step 6: Final answer
    x = 957,922.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.