Home / 476,209.42-657,198.57-314,784.52

Finding the Fourth Proportional to 476,209.42, 657,198.57 and 314,784.52

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Solution

The fourth proportional to 476,209.42, 657,198.57 and 314,784.52 is: 434,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,209.42 : 657,198.57 = 314,784.52 : x
  2. Step 2: Convert to fraction form
    476,209.42/657,198.57 = 314,784.52/x
  3. Step 3: Cross multiply
    476,209.42x = 657,198.57 × 314,784.52
  4. Step 4: Simplify right side
    476,209.42x = 206,875,936,402.14
  5. Step 5: Solve for x
    x = 206,875,936,402.14/476,209.42
  6. Step 6: Final answer
    x = 434,422.18

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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.