Home / 401,839.65-554,567.19-265,636.92

Finding the Fourth Proportional to 401,839.65, 554,567.19 and 265,636.92

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Solution

The fourth proportional to 401,839.65, 554,567.19 and 265,636.92 is: 366,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,839.65 : 554,567.19 = 265,636.92 : x
  2. Step 2: Convert to fraction form
    401,839.65/554,567.19 = 265,636.92/x
  3. Step 3: Cross multiply
    401,839.65x = 554,567.19 × 265,636.92
  4. Step 4: Simplify right side
    401,839.65x = 147,313,520,284.66
  5. Step 5: Solve for x
    x = 147,313,520,284.66/401,839.65
  6. Step 6: Final answer
    x = 366,597.77

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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.