Home / 1,137,641.82-1,569,936.38-621,396.04

Finding the Fourth Proportional to 1,137,641.82, 1,569,936.38 and 621,396.04

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Solution

The fourth proportional to 1,137,641.82, 1,569,936.38 and 621,396.04 is: 857,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,641.82 : 1,569,936.38 = 621,396.04 : x
  2. Step 2: Convert to fraction form
    1,137,641.82/1,569,936.38 = 621,396.04/x
  3. Step 3: Cross multiply
    1,137,641.82x = 1,569,936.38 × 621,396.04
  4. Step 4: Simplify right side
    1,137,641.82x = 975,552,249,583.94
  5. Step 5: Solve for x
    x = 975,552,249,583.94/1,137,641.82
  6. Step 6: Final answer
    x = 857,521.44

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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.