Home / 442,905.06-663,358.77-205,748.67

Finding the Fourth Proportional to 442,905.06, 663,358.77 and 205,748.67

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Solution

The fourth proportional to 442,905.06, 663,358.77 and 205,748.67 is: 308,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,905.06 : 663,358.77 = 205,748.67 : x
  2. Step 2: Convert to fraction form
    442,905.06/663,358.77 = 205,748.67/x
  3. Step 3: Cross multiply
    442,905.06x = 663,358.77 × 205,748.67
  4. Step 4: Simplify right side
    442,905.06x = 136,485,184,660.34
  5. Step 5: Solve for x
    x = 136,485,184,660.34/442,905.06
  6. Step 6: Final answer
    x = 308,159.01

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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.