Home / 557,139.12-835,597.84-272,707.48

Finding the Fourth Proportional to 557,139.12, 835,597.84 and 272,707.48

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Solution

The fourth proportional to 557,139.12, 835,597.84 and 272,707.48 is: 409,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,139.12 : 835,597.84 = 272,707.48 : x
  2. Step 2: Convert to fraction form
    557,139.12/835,597.84 = 272,707.48/x
  3. Step 3: Cross multiply
    557,139.12x = 835,597.84 × 272,707.48
  4. Step 4: Simplify right side
    557,139.12x = 227,873,781,239.84
  5. Step 5: Solve for x
    x = 227,873,781,239.84/557,139.12
  6. Step 6: Final answer
    x = 409,006.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.