Home / 449,130.66-619,904.51-296,196.45

Finding the Fourth Proportional to 449,130.66, 619,904.51 and 296,196.45

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Solution

The fourth proportional to 449,130.66, 619,904.51 and 296,196.45 is: 408,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,130.66 : 619,904.51 = 296,196.45 : x
  2. Step 2: Convert to fraction form
    449,130.66/619,904.51 = 296,196.45/x
  3. Step 3: Cross multiply
    449,130.66x = 619,904.51 × 296,196.45
  4. Step 4: Simplify right side
    449,130.66x = 183,613,515,200.99
  5. Step 5: Solve for x
    x = 183,613,515,200.99/449,130.66
  6. Step 6: Final answer
    x = 408,819.82

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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.