Home / 1,327,897.45-1,991,955.91-559,617.45

Finding the Fourth Proportional to 1,327,897.45, 1,991,955.91 and 559,617.45

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Solution

The fourth proportional to 1,327,897.45, 1,991,955.91 and 559,617.45 is: 839,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,897.45 : 1,991,955.91 = 559,617.45 : x
  2. Step 2: Convert to fraction form
    1,327,897.45/1,991,955.91 = 559,617.45/x
  3. Step 3: Cross multiply
    1,327,897.45x = 1,991,955.91 × 559,617.45
  4. Step 4: Simplify right side
    1,327,897.45x = 1,114,733,286,866.63
  5. Step 5: Solve for x
    x = 1,114,733,286,866.63/1,327,897.45
  6. Step 6: Final answer
    x = 839,472.42

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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.