Home / 628,357.14-867,106.94-341,878.36

Finding the Fourth Proportional to 628,357.14, 867,106.94 and 341,878.36

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Solution

The fourth proportional to 628,357.14, 867,106.94 and 341,878.36 is: 471,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,357.14 : 867,106.94 = 341,878.36 : x
  2. Step 2: Convert to fraction form
    628,357.14/867,106.94 = 341,878.36/x
  3. Step 3: Cross multiply
    628,357.14x = 867,106.94 × 341,878.36
  4. Step 4: Simplify right side
    628,357.14x = 296,445,098,591.82
  5. Step 5: Solve for x
    x = 296,445,098,591.82/628,357.14
  6. Step 6: Final answer
    x = 471,778.04

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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.