Home / 1,427,506.30-1,969,949.46-815,846.14

Finding the Fourth Proportional to 1,427,506.30, 1,969,949.46 and 815,846.14

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Solution

The fourth proportional to 1,427,506.30, 1,969,949.46 and 815,846.14 is: 1,125,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,506.30 : 1,969,949.46 = 815,846.14 : x
  2. Step 2: Convert to fraction form
    1,427,506.30/1,969,949.46 = 815,846.14/x
  3. Step 3: Cross multiply
    1,427,506.30x = 1,969,949.46 × 815,846.14
  4. Step 4: Simplify right side
    1,427,506.30x = 1,607,175,662,936.08
  5. Step 5: Solve for x
    x = 1,607,175,662,936.08/1,427,506.30
  6. Step 6: Final answer
    x = 1,125,862.40

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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.