Home / 1,216,100.50-1,824,150.76-329,636.50

Finding the Fourth Proportional to 1,216,100.50, 1,824,150.76 and 329,636.50

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Solution

The fourth proportional to 1,216,100.50, 1,824,150.76 and 329,636.50 is: 494,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,100.50 : 1,824,150.76 = 329,636.50 : x
  2. Step 2: Convert to fraction form
    1,216,100.50/1,824,150.76 = 329,636.50/x
  3. Step 3: Cross multiply
    1,216,100.50x = 1,824,150.76 × 329,636.50
  4. Step 4: Simplify right side
    1,216,100.50x = 601,306,671,998.74
  5. Step 5: Solve for x
    x = 601,306,671,998.74/1,216,100.50
  6. Step 6: Final answer
    x = 494,454.75

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Similar ratio
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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.