Home / 1,152,664.99-1,729,080.51-442,693.03

Finding the Fourth Proportional to 1,152,664.99, 1,729,080.51 and 442,693.03

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Solution

The fourth proportional to 1,152,664.99, 1,729,080.51 and 442,693.03 is: 664,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,664.99 : 1,729,080.51 = 442,693.03 : x
  2. Step 2: Convert to fraction form
    1,152,664.99/1,729,080.51 = 442,693.03/x
  3. Step 3: Cross multiply
    1,152,664.99x = 1,729,080.51 × 442,693.03
  4. Step 4: Simplify right side
    1,152,664.99x = 765,451,890,085.85
  5. Step 5: Solve for x
    x = 765,451,890,085.85/1,152,664.99
  6. Step 6: Final answer
    x = 664,071.43

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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.