Home / 751,357.60-1,036,979.76-464,970

Finding the Fourth Proportional to 751,357.60, 1,036,979.76 and 464,970

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Solution

The fourth proportional to 751,357.60, 1,036,979.76 and 464,970 is: 641,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,357.60 : 1,036,979.76 = 464,970 : x
  2. Step 2: Convert to fraction form
    751,357.60/1,036,979.76 = 464,970/x
  3. Step 3: Cross multiply
    751,357.60x = 1,036,979.76 × 464,970
  4. Step 4: Simplify right side
    751,357.60x = 482,164,479,007.20
  5. Step 5: Solve for x
    x = 482,164,479,007.20/751,357.60
  6. Step 6: Final answer
    x = 641,724.37

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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.