Home / 1,185,129.17-1,635,474.94-641,274.17

Finding the Fourth Proportional to 1,185,129.17, 1,635,474.94 and 641,274.17

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Solution

The fourth proportional to 1,185,129.17, 1,635,474.94 and 641,274.17 is: 884,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,129.17 : 1,635,474.94 = 641,274.17 : x
  2. Step 2: Convert to fraction form
    1,185,129.17/1,635,474.94 = 641,274.17/x
  3. Step 3: Cross multiply
    1,185,129.17x = 1,635,474.94 × 641,274.17
  4. Step 4: Simplify right side
    1,185,129.17x = 1,048,787,837,189.80
  5. Step 5: Solve for x
    x = 1,048,787,837,189.80/1,185,129.17
  6. Step 6: Final answer
    x = 884,956.57

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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.