Home / 372,928.12-514,644.34-211,786.52

Finding the Fourth Proportional to 372,928.12, 514,644.34 and 211,786.52

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Solution

The fourth proportional to 372,928.12, 514,644.34 and 211,786.52 is: 292,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,928.12 : 514,644.34 = 211,786.52 : x
  2. Step 2: Convert to fraction form
    372,928.12/514,644.34 = 211,786.52/x
  3. Step 3: Cross multiply
    372,928.12x = 514,644.34 × 211,786.52
  4. Step 4: Simplify right side
    372,928.12x = 108,994,733,806.30
  5. Step 5: Solve for x
    x = 108,994,733,806.30/372,928.12
  6. Step 6: Final answer
    x = 292,267.40

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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.