Home / 902,842.08-1,245,062.52-540,208.32

Finding the Fourth Proportional to 902,842.08, 1,245,062.52 and 540,208.32

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Solution

The fourth proportional to 902,842.08, 1,245,062.52 and 540,208.32 is: 744,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,842.08 : 1,245,062.52 = 540,208.32 : x
  2. Step 2: Convert to fraction form
    902,842.08/1,245,062.52 = 540,208.32/x
  3. Step 3: Cross multiply
    902,842.08x = 1,245,062.52 × 540,208.32
  4. Step 4: Simplify right side
    902,842.08x = 672,593,132,224.17
  5. Step 5: Solve for x
    x = 672,593,132,224.17/902,842.08
  6. Step 6: Final answer
    x = 744,973.18

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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.