Home / 1,142,480.90-1,576,589.82-626,223.76

Finding the Fourth Proportional to 1,142,480.90, 1,576,589.82 and 626,223.76

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Solution

The fourth proportional to 1,142,480.90, 1,576,589.82 and 626,223.76 is: 864,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,480.90 : 1,576,589.82 = 626,223.76 : x
  2. Step 2: Convert to fraction form
    1,142,480.90/1,576,589.82 = 626,223.76/x
  3. Step 3: Cross multiply
    1,142,480.90x = 1,576,589.82 × 626,223.76
  4. Step 4: Simplify right side
    1,142,480.90x = 987,297,994,044.06
  5. Step 5: Solve for x
    x = 987,297,994,044.06/1,142,480.90
  6. Step 6: Final answer
    x = 864,170.24

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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.