Home / 456,988.26-630,644.22-255,784.26

Finding the Fourth Proportional to 456,988.26, 630,644.22 and 255,784.26

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Solution

The fourth proportional to 456,988.26, 630,644.22 and 255,784.26 is: 352,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,988.26 : 630,644.22 = 255,784.26 : x
  2. Step 2: Convert to fraction form
    456,988.26/630,644.22 = 255,784.26/x
  3. Step 3: Cross multiply
    456,988.26x = 630,644.22 × 255,784.26
  4. Step 4: Simplify right side
    456,988.26x = 161,308,865,135.98
  5. Step 5: Solve for x
    x = 161,308,865,135.98/456,988.26
  6. Step 6: Final answer
    x = 352,982.51

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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.