Home / 1,144,919.45-1,579,918.10-628,671.30

Finding the Fourth Proportional to 1,144,919.45, 1,579,918.10 and 628,671.30

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Solution

The fourth proportional to 1,144,919.45, 1,579,918.10 and 628,671.30 is: 867,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,919.45 : 1,579,918.10 = 628,671.30 : x
  2. Step 2: Convert to fraction form
    1,144,919.45/1,579,918.10 = 628,671.30/x
  3. Step 3: Cross multiply
    1,144,919.45x = 1,579,918.10 × 628,671.30
  4. Step 4: Simplify right side
    1,144,919.45x = 993,249,162,677.17
  5. Step 5: Solve for x
    x = 993,249,162,677.17/1,144,919.45
  6. Step 6: Final answer
    x = 867,527.55

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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.