Home / 1,509,991.91-2,083,878.63-865,453.55

Finding the Fourth Proportional to 1,509,991.91, 2,083,878.63 and 865,453.55

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Solution

The fourth proportional to 1,509,991.91, 2,083,878.63 and 865,453.55 is: 1,194,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,991.91 : 2,083,878.63 = 865,453.55 : x
  2. Step 2: Convert to fraction form
    1,509,991.91/2,083,878.63 = 865,453.55/x
  3. Step 3: Cross multiply
    1,509,991.91x = 2,083,878.63 × 865,453.55
  4. Step 4: Simplify right side
    1,509,991.91x = 1,803,500,158,102.64
  5. Step 5: Solve for x
    x = 1,803,500,158,102.64/1,509,991.91
  6. Step 6: Final answer
    x = 1,194,377.36

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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.