Home / 1,111,513.08-1,533,868.04-628,067.82

Finding the Fourth Proportional to 1,111,513.08, 1,533,868.04 and 628,067.82

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Solution

The fourth proportional to 1,111,513.08, 1,533,868.04 and 628,067.82 is: 866,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,513.08 : 1,533,868.04 = 628,067.82 : x
  2. Step 2: Convert to fraction form
    1,111,513.08/1,533,868.04 = 628,067.82/x
  3. Step 3: Cross multiply
    1,111,513.08x = 1,533,868.04 × 628,067.82
  4. Step 4: Simplify right side
    1,111,513.08x = 963,373,163,372.65
  5. Step 5: Solve for x
    x = 963,373,163,372.65/1,111,513.08
  6. Step 6: Final answer
    x = 866,722.29

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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.