Home / 456,120.28-629,545.90-265,243.78

Finding the Fourth Proportional to 456,120.28, 629,545.90 and 265,243.78

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Solution

The fourth proportional to 456,120.28, 629,545.90 and 265,243.78 is: 366,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,120.28 : 629,545.90 = 265,243.78 : x
  2. Step 2: Convert to fraction form
    456,120.28/629,545.90 = 265,243.78/x
  3. Step 3: Cross multiply
    456,120.28x = 629,545.90 × 265,243.78
  4. Step 4: Simplify right side
    456,120.28x = 166,983,134,199.50
  5. Step 5: Solve for x
    x = 166,983,134,199.50/456,120.28
  6. Step 6: Final answer
    x = 366,094.52

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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.