Home / 516,584.80-774,986.55-156,726.10

Finding the Fourth Proportional to 516,584.80, 774,986.55 and 156,726.10

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Solution

The fourth proportional to 516,584.80, 774,986.55 and 156,726.10 is: 235,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,584.80 : 774,986.55 = 156,726.10 : x
  2. Step 2: Convert to fraction form
    516,584.80/774,986.55 = 156,726.10/x
  3. Step 3: Cross multiply
    516,584.80x = 774,986.55 × 156,726.10
  4. Step 4: Simplify right side
    516,584.80x = 121,460,619,533.96
  5. Step 5: Solve for x
    x = 121,460,619,533.96/516,584.80
  6. Step 6: Final answer
    x = 235,122.33

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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.