Home / 464,341.14-640,519.29-291,986.37

Finding the Fourth Proportional to 464,341.14, 640,519.29 and 291,986.37

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Solution

The fourth proportional to 464,341.14, 640,519.29 and 291,986.37 is: 402,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,341.14 : 640,519.29 = 291,986.37 : x
  2. Step 2: Convert to fraction form
    464,341.14/640,519.29 = 291,986.37/x
  3. Step 3: Cross multiply
    464,341.14x = 640,519.29 × 291,986.37
  4. Step 4: Simplify right side
    464,341.14x = 187,022,902,402.08
  5. Step 5: Solve for x
    x = 187,022,902,402.08/464,341.14
  6. Step 6: Final answer
    x = 402,770.48

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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.