Home / 413,913.07-620,350.44-176,977.63

Finding the Fourth Proportional to 413,913.07, 620,350.44 and 176,977.63

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Solution

The fourth proportional to 413,913.07, 620,350.44 and 176,977.63 is: 265,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,913.07 : 620,350.44 = 176,977.63 : x
  2. Step 2: Convert to fraction form
    413,913.07/620,350.44 = 176,977.63/x
  3. Step 3: Cross multiply
    413,913.07x = 620,350.44 × 176,977.63
  4. Step 4: Simplify right side
    413,913.07x = 109,788,150,640.66
  5. Step 5: Solve for x
    x = 109,788,150,640.66/413,913.07
  6. Step 6: Final answer
    x = 265,244.46

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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.