Home / 840,528.82-1,159,924.26-477,952.72

Finding the Fourth Proportional to 840,528.82, 1,159,924.26 and 477,952.72

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Solution

The fourth proportional to 840,528.82, 1,159,924.26 and 477,952.72 is: 659,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,528.82 : 1,159,924.26 = 477,952.72 : x
  2. Step 2: Convert to fraction form
    840,528.82/1,159,924.26 = 477,952.72/x
  3. Step 3: Cross multiply
    840,528.82x = 1,159,924.26 × 477,952.72
  4. Step 4: Simplify right side
    840,528.82x = 554,388,955,060.99
  5. Step 5: Solve for x
    x = 554,388,955,060.99/840,528.82
  6. Step 6: Final answer
    x = 659,571.62

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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.