Home / 1,285,266.10-1,916,408.51-1,249,954.33

Finding the Fourth Proportional to 1,285,266.10, 1,916,408.51 and 1,249,954.33

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Solution

The fourth proportional to 1,285,266.10, 1,916,408.51 and 1,249,954.33 is: 1,863,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,266.10 : 1,916,408.51 = 1,249,954.33 : x
  2. Step 2: Convert to fraction form
    1,285,266.10/1,916,408.51 = 1,249,954.33/x
  3. Step 3: Cross multiply
    1,285,266.10x = 1,916,408.51 × 1,249,954.33
  4. Step 4: Simplify right side
    1,285,266.10x = 2,395,423,115,123.35
  5. Step 5: Solve for x
    x = 2,395,423,115,123.35/1,285,266.10
  6. Step 6: Final answer
    x = 1,863,756.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.