Home / 1,137,122.04-1,569,227.40-627,827.52

Finding the Fourth Proportional to 1,137,122.04, 1,569,227.40 and 627,827.52

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Solution

The fourth proportional to 1,137,122.04, 1,569,227.40 and 627,827.52 is: 866,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,122.04 : 1,569,227.40 = 627,827.52 : x
  2. Step 2: Convert to fraction form
    1,137,122.04/1,569,227.40 = 627,827.52/x
  3. Step 3: Cross multiply
    1,137,122.04x = 1,569,227.40 × 627,827.52
  4. Step 4: Simplify right side
    1,137,122.04x = 985,204,146,858.05
  5. Step 5: Solve for x
    x = 985,204,146,858.05/1,137,122.04
  6. Step 6: Final answer
    x = 866,401.42

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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.