Home / 516,686.24-774,971.76-179,668.64

Finding the Fourth Proportional to 516,686.24, 774,971.76 and 179,668.64

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Solution

The fourth proportional to 516,686.24, 774,971.76 and 179,668.64 is: 269,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,686.24 : 774,971.76 = 179,668.64 : x
  2. Step 2: Convert to fraction form
    516,686.24/774,971.76 = 179,668.64/x
  3. Step 3: Cross multiply
    516,686.24x = 774,971.76 × 179,668.64
  4. Step 4: Simplify right side
    516,686.24x = 139,238,122,157.61
  5. Step 5: Solve for x
    x = 139,238,122,157.61/516,686.24
  6. Step 6: Final answer
    x = 269,482.93

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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.