Home / 1,338,815.04-1,847,102.92-855,663

Finding the Fourth Proportional to 1,338,815.04, 1,847,102.92 and 855,663

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Solution

The fourth proportional to 1,338,815.04, 1,847,102.92 and 855,663 is: 1,180,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,815.04 : 1,847,102.92 = 855,663 : x
  2. Step 2: Convert to fraction form
    1,338,815.04/1,847,102.92 = 855,663/x
  3. Step 3: Cross multiply
    1,338,815.04x = 1,847,102.92 × 855,663
  4. Step 4: Simplify right side
    1,338,815.04x = 1,580,497,625,835.96
  5. Step 5: Solve for x
    x = 1,580,497,625,835.96/1,338,815.04
  6. Step 6: Final answer
    x = 1,180,519.77

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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.