Home / 476,700.39-657,849.60-261,838.58

Finding the Fourth Proportional to 476,700.39, 657,849.60 and 261,838.58

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Solution

The fourth proportional to 476,700.39, 657,849.60 and 261,838.58 is: 361,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,700.39 : 657,849.60 = 261,838.58 : x
  2. Step 2: Convert to fraction form
    476,700.39/657,849.60 = 261,838.58/x
  3. Step 3: Cross multiply
    476,700.39x = 657,849.60 × 261,838.58
  4. Step 4: Simplify right side
    476,700.39x = 172,250,401,828.32
  5. Step 5: Solve for x
    x = 172,250,401,828.32/476,700.39
  6. Step 6: Final answer
    x = 361,338.92

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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.