Home / 501,921.34-692,651.99-272,478.51

Finding the Fourth Proportional to 501,921.34, 692,651.99 and 272,478.51

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Solution

The fourth proportional to 501,921.34, 692,651.99 and 272,478.51 is: 376,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,921.34 : 692,651.99 = 272,478.51 : x
  2. Step 2: Convert to fraction form
    501,921.34/692,651.99 = 272,478.51/x
  3. Step 3: Cross multiply
    501,921.34x = 692,651.99 × 272,478.51
  4. Step 4: Simplify right side
    501,921.34x = 188,732,782,864.93
  5. Step 5: Solve for x
    x = 188,732,782,864.93/501,921.34
  6. Step 6: Final answer
    x = 376,020.64

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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.