Home / 666,024.13-919,197.48-436,774.33

Finding the Fourth Proportional to 666,024.13, 919,197.48 and 436,774.33

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Solution

The fourth proportional to 666,024.13, 919,197.48 and 436,774.33 is: 602,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,024.13 : 919,197.48 = 436,774.33 : x
  2. Step 2: Convert to fraction form
    666,024.13/919,197.48 = 436,774.33/x
  3. Step 3: Cross multiply
    666,024.13x = 919,197.48 × 436,774.33
  4. Step 4: Simplify right side
    666,024.13x = 401,481,863,464.69
  5. Step 5: Solve for x
    x = 401,481,863,464.69/666,024.13
  6. Step 6: Final answer
    x = 602,803.78

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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.