Home / 353,926.60-530,446.55-278,749.82

Finding the Fourth Proportional to 353,926.60, 530,446.55 and 278,749.82

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Solution

The fourth proportional to 353,926.60, 530,446.55 and 278,749.82 is: 417,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,926.60 : 530,446.55 = 278,749.82 : x
  2. Step 2: Convert to fraction form
    353,926.60/530,446.55 = 278,749.82/x
  3. Step 3: Cross multiply
    353,926.60x = 530,446.55 × 278,749.82
  4. Step 4: Simplify right side
    353,926.60x = 147,861,880,264.49
  5. Step 5: Solve for x
    x = 147,861,880,264.49/353,926.60
  6. Step 6: Final answer
    x = 417,775.55

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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.