Home / 476,708.42-657,839.95-261,835.67

Finding the Fourth Proportional to 476,708.42, 657,839.95 and 261,835.67

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Solution

The fourth proportional to 476,708.42, 657,839.95 and 261,835.67 is: 361,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,708.42 : 657,839.95 = 261,835.67 : x
  2. Step 2: Convert to fraction form
    476,708.42/657,839.95 = 261,835.67/x
  3. Step 3: Cross multiply
    476,708.42x = 657,839.95 × 261,835.67
  4. Step 4: Simplify right side
    476,708.42x = 172,245,965,051.03
  5. Step 5: Solve for x
    x = 172,245,965,051.03/476,708.42
  6. Step 6: Final answer
    x = 361,323.52

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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.