Home / 410,922.40-616,383.60-115,434.40

Finding the Fourth Proportional to 410,922.40, 616,383.60 and 115,434.40

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Solution

The fourth proportional to 410,922.40, 616,383.60 and 115,434.40 is: 173,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,922.40 : 616,383.60 = 115,434.40 : x
  2. Step 2: Convert to fraction form
    410,922.40/616,383.60 = 115,434.40/x
  3. Step 3: Cross multiply
    410,922.40x = 616,383.60 × 115,434.40
  4. Step 4: Simplify right side
    410,922.40x = 71,151,871,035.84
  5. Step 5: Solve for x
    x = 71,151,871,035.84/410,922.40
  6. Step 6: Final answer
    x = 173,151.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.