Home / 476,262.72-713,434.38-316,428.66

Finding the Fourth Proportional to 476,262.72, 713,434.38 and 316,428.66

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Solution

The fourth proportional to 476,262.72, 713,434.38 and 316,428.66 is: 474,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,262.72 : 713,434.38 = 316,428.66 : x
  2. Step 2: Convert to fraction form
    476,262.72/713,434.38 = 316,428.66/x
  3. Step 3: Cross multiply
    476,262.72x = 713,434.38 × 316,428.66
  4. Step 4: Simplify right side
    476,262.72x = 225,751,084,861.33
  5. Step 5: Solve for x
    x = 225,751,084,861.33/476,262.72
  6. Step 6: Final answer
    x = 474,005.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.