Home / 996,115.36-1,372,666.32-708,830.56

Finding the Fourth Proportional to 996,115.36, 1,372,666.32 and 708,830.56

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Solution

The fourth proportional to 996,115.36, 1,372,666.32 and 708,830.56 is: 976,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,115.36 : 1,372,666.32 = 708,830.56 : x
  2. Step 2: Convert to fraction form
    996,115.36/1,372,666.32 = 708,830.56/x
  3. Step 3: Cross multiply
    996,115.36x = 1,372,666.32 × 708,830.56
  4. Step 4: Simplify right side
    996,115.36x = 972,987,836,298.74
  5. Step 5: Solve for x
    x = 972,987,836,298.74/996,115.36
  6. Step 6: Final answer
    x = 976,782.28

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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.