Home / 389,928.51-584,961.87-176,687.81

Finding the Fourth Proportional to 389,928.51, 584,961.87 and 176,687.81

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Solution

The fourth proportional to 389,928.51, 584,961.87 and 176,687.81 is: 265,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,928.51 : 584,961.87 = 176,687.81 : x
  2. Step 2: Convert to fraction form
    389,928.51/584,961.87 = 176,687.81/x
  3. Step 3: Cross multiply
    389,928.51x = 584,961.87 × 176,687.81
  4. Step 4: Simplify right side
    389,928.51x = 103,355,633,206.21
  5. Step 5: Solve for x
    x = 103,355,633,206.21/389,928.51
  6. Step 6: Final answer
    x = 265,063.03

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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.