Home / 628,365.11-867,117.94-341,886.33

Finding the Fourth Proportional to 628,365.11, 867,117.94 and 341,886.33

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Solution

The fourth proportional to 628,365.11, 867,117.94 and 341,886.33 is: 471,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,365.11 : 867,117.94 = 341,886.33 : x
  2. Step 2: Convert to fraction form
    628,365.11/867,117.94 = 341,886.33/x
  3. Step 3: Cross multiply
    628,365.11x = 867,117.94 × 341,886.33
  4. Step 4: Simplify right side
    628,365.11x = 296,455,769,329.04
  5. Step 5: Solve for x
    x = 296,455,769,329.04/628,365.11
  6. Step 6: Final answer
    x = 471,789.04

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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.