Home / 456,983.47-685,615.33-204,476.50

Finding the Fourth Proportional to 456,983.47, 685,615.33 and 204,476.50

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Solution

The fourth proportional to 456,983.47, 685,615.33 and 204,476.50 is: 306,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,983.47 : 685,615.33 = 204,476.50 : x
  2. Step 2: Convert to fraction form
    456,983.47/685,615.33 = 204,476.50/x
  3. Step 3: Cross multiply
    456,983.47x = 685,615.33 × 204,476.50
  4. Step 4: Simplify right side
    456,983.47x = 140,192,219,085.48
  5. Step 5: Solve for x
    x = 140,192,219,085.48/456,983.47
  6. Step 6: Final answer
    x = 306,777.44

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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.