Home / 628,359.64-867,110.38-341,880.86

Finding the Fourth Proportional to 628,359.64, 867,110.38 and 341,880.86

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Solution

The fourth proportional to 628,359.64, 867,110.38 and 341,880.86 is: 471,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,359.64 : 867,110.38 = 341,880.86 : x
  2. Step 2: Convert to fraction form
    628,359.64/867,110.38 = 341,880.86/x
  3. Step 3: Cross multiply
    628,359.64x = 867,110.38 × 341,880.86
  4. Step 4: Simplify right side
    628,359.64x = 296,448,442,429.33
  5. Step 5: Solve for x
    x = 296,448,442,429.33/628,359.64
  6. Step 6: Final answer
    x = 471,781.48

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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.