Home / 628,390.71-867,194.71-341,926.52

Finding the Fourth Proportional to 628,390.71, 867,194.71 and 341,926.52

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Solution

The fourth proportional to 628,390.71, 867,194.71 and 341,926.52 is: 471,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,390.71 : 867,194.71 = 341,926.52 : x
  2. Step 2: Convert to fraction form
    628,390.71/867,194.71 = 341,926.52/x
  3. Step 3: Cross multiply
    628,390.71x = 867,194.71 × 341,926.52
  4. Step 4: Simplify right side
    628,390.71x = 296,516,864,161.92
  5. Step 5: Solve for x
    x = 296,516,864,161.92/628,390.71
  6. Step 6: Final answer
    x = 471,867.04

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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.