Home / 1,318,031.31-1,976,659.41-559,866.75

Finding the Fourth Proportional to 1,318,031.31, 1,976,659.41 and 559,866.75

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Solution

The fourth proportional to 1,318,031.31, 1,976,659.41 and 559,866.75 is: 839,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,031.31 : 1,976,659.41 = 559,866.75 : x
  2. Step 2: Convert to fraction form
    1,318,031.31/1,976,659.41 = 559,866.75/x
  3. Step 3: Cross multiply
    1,318,031.31x = 1,976,659.41 × 559,866.75
  4. Step 4: Simplify right side
    1,318,031.31x = 1,106,665,879,733.62
  5. Step 5: Solve for x
    x = 1,106,665,879,733.62/1,318,031.31
  6. Step 6: Final answer
    x = 839,635.50

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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.