Home / 1,223,110.80-1,834,010.10-512,335.80

Finding the Fourth Proportional to 1,223,110.80, 1,834,010.10 and 512,335.80

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Solution

The fourth proportional to 1,223,110.80, 1,834,010.10 and 512,335.80 is: 768,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,110.80 : 1,834,010.10 = 512,335.80 : x
  2. Step 2: Convert to fraction form
    1,223,110.80/1,834,010.10 = 512,335.80/x
  3. Step 3: Cross multiply
    1,223,110.80x = 1,834,010.10 × 512,335.80
  4. Step 4: Simplify right side
    1,223,110.80x = 939,629,031,791.58
  5. Step 5: Solve for x
    x = 939,629,031,791.58/1,223,110.80
  6. Step 6: Final answer
    x = 768,228.87

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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.