Home / 665,225.88-916,933.26-519,777.36

Finding the Fourth Proportional to 665,225.88, 916,933.26 and 519,777.36

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Solution

The fourth proportional to 665,225.88, 916,933.26 and 519,777.36 is: 716,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,225.88 : 916,933.26 = 519,777.36 : x
  2. Step 2: Convert to fraction form
    665,225.88/916,933.26 = 519,777.36/x
  3. Step 3: Cross multiply
    665,225.88x = 916,933.26 × 519,777.36
  4. Step 4: Simplify right side
    665,225.88x = 476,601,149,178.99
  5. Step 5: Solve for x
    x = 476,601,149,178.99/665,225.88
  6. Step 6: Final answer
    x = 716,450.10

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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.