Home / 554,826.65-765,661.07-385,159.19

Finding the Fourth Proportional to 554,826.65, 765,661.07 and 385,159.19

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Solution

The fourth proportional to 554,826.65, 765,661.07 and 385,159.19 is: 531,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,826.65 : 765,661.07 = 385,159.19 : x
  2. Step 2: Convert to fraction form
    554,826.65/765,661.07 = 385,159.19/x
  3. Step 3: Cross multiply
    554,826.65x = 765,661.07 × 385,159.19
  4. Step 4: Simplify right side
    554,826.65x = 294,901,394,670.33
  5. Step 5: Solve for x
    x = 294,901,394,670.33/554,826.65
  6. Step 6: Final answer
    x = 531,519.89

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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.