Home / 417,960.82-576,962.48-282,178.67

Finding the Fourth Proportional to 417,960.82, 576,962.48 and 282,178.67

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Solution

The fourth proportional to 417,960.82, 576,962.48 and 282,178.67 is: 389,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,960.82 : 576,962.48 = 282,178.67 : x
  2. Step 2: Convert to fraction form
    417,960.82/576,962.48 = 282,178.67/x
  3. Step 3: Cross multiply
    417,960.82x = 576,962.48 × 282,178.67
  4. Step 4: Simplify right side
    417,960.82x = 162,806,503,835.41
  5. Step 5: Solve for x
    x = 162,806,503,835.41/417,960.82
  6. Step 6: Final answer
    x = 389,525.76

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1.5x scale

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.