Home / 476,588.91-657,528.24-304,607.55

Finding the Fourth Proportional to 476,588.91, 657,528.24 and 304,607.55

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Solution

The fourth proportional to 476,588.91, 657,528.24 and 304,607.55 is: 420,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,588.91 : 657,528.24 = 304,607.55 : x
  2. Step 2: Convert to fraction form
    476,588.91/657,528.24 = 304,607.55/x
  3. Step 3: Cross multiply
    476,588.91x = 657,528.24 × 304,607.55
  4. Step 4: Simplify right side
    476,588.91x = 200,288,066,242.21
  5. Step 5: Solve for x
    x = 200,288,066,242.21/476,588.91
  6. Step 6: Final answer
    x = 420,253.31

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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.