Home / 554,723.19-765,517.23-300,074.58

Finding the Fourth Proportional to 554,723.19, 765,517.23 and 300,074.58

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Solution

The fourth proportional to 554,723.19, 765,517.23 and 300,074.58 is: 414,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,723.19 : 765,517.23 = 300,074.58 : x
  2. Step 2: Convert to fraction form
    554,723.19/765,517.23 = 300,074.58/x
  3. Step 3: Cross multiply
    554,723.19x = 765,517.23 × 300,074.58
  4. Step 4: Simplify right side
    554,723.19x = 229,712,261,275.01
  5. Step 5: Solve for x
    x = 229,712,261,275.01/554,723.19
  6. Step 6: Final answer
    x = 414,102.50

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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.