Home / 304,922.03-457,384.05-77,217.53

Finding the Fourth Proportional to 304,922.03, 457,384.05 and 77,217.53

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Solution

The fourth proportional to 304,922.03, 457,384.05 and 77,217.53 is: 115,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,922.03 : 457,384.05 = 77,217.53 : x
  2. Step 2: Convert to fraction form
    304,922.03/457,384.05 = 77,217.53/x
  3. Step 3: Cross multiply
    304,922.03x = 457,384.05 × 77,217.53
  4. Step 4: Simplify right side
    304,922.03x = 35,318,064,315.48
  5. Step 5: Solve for x
    x = 35,318,064,315.48/304,922.03
  6. Step 6: Final answer
    x = 115,826.54

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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.