Home / 1,172,833.92-1,618,662.96-656,784.36

Finding the Fourth Proportional to 1,172,833.92, 1,618,662.96 and 656,784.36

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Solution

The fourth proportional to 1,172,833.92, 1,618,662.96 and 656,784.36 is: 906,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,833.92 : 1,618,662.96 = 656,784.36 : x
  2. Step 2: Convert to fraction form
    1,172,833.92/1,618,662.96 = 656,784.36/x
  3. Step 3: Cross multiply
    1,172,833.92x = 1,618,662.96 × 656,784.36
  4. Step 4: Simplify right side
    1,172,833.92x = 1,063,112,516,239.31
  5. Step 5: Solve for x
    x = 1,063,112,516,239.31/1,172,833.92
  6. Step 6: Final answer
    x = 906,447.62

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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.