Home / 1,163,130.75-1,744,696.13-321,682.50

Finding the Fourth Proportional to 1,163,130.75, 1,744,696.13 and 321,682.50

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Solution

The fourth proportional to 1,163,130.75, 1,744,696.13 and 321,682.50 is: 482,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,130.75 : 1,744,696.13 = 321,682.50 : x
  2. Step 2: Convert to fraction form
    1,163,130.75/1,744,696.13 = 321,682.50/x
  3. Step 3: Cross multiply
    1,163,130.75x = 1,744,696.13 × 321,682.50
  4. Step 4: Simplify right side
    1,163,130.75x = 561,238,211,230.31
  5. Step 5: Solve for x
    x = 561,238,211,230.31/1,163,130.75
  6. Step 6: Final answer
    x = 482,523.75

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Double scale
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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.