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Finding the Fourth Proportional to 1,331,798.07, 1,837,975.14 and 751,073.16

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Solution

The fourth proportional to 1,331,798.07, 1,837,975.14 and 751,073.16 is: 1,036,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,798.07 : 1,837,975.14 = 751,073.16 : x
  2. Step 2: Convert to fraction form
    1,331,798.07/1,837,975.14 = 751,073.16/x
  3. Step 3: Cross multiply
    1,331,798.07x = 1,837,975.14 × 751,073.16
  4. Step 4: Simplify right side
    1,331,798.07x = 1,380,453,796,401.24
  5. Step 5: Solve for x
    x = 1,380,453,796,401.24/1,331,798.07
  6. Step 6: Final answer
    x = 1,036,533.86

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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.