Home / 741,532.60-1,023,312.94-401,999.80

Finding the Fourth Proportional to 741,532.60, 1,023,312.94 and 401,999.80

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Solution

The fourth proportional to 741,532.60, 1,023,312.94 and 401,999.80 is: 554,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,532.60 : 1,023,312.94 = 401,999.80 : x
  2. Step 2: Convert to fraction form
    741,532.60/1,023,312.94 = 401,999.80/x
  3. Step 3: Cross multiply
    741,532.60x = 1,023,312.94 × 401,999.80
  4. Step 4: Simplify right side
    741,532.60x = 411,371,597,217.41
  5. Step 5: Solve for x
    x = 411,371,597,217.41/741,532.60
  6. Step 6: Final answer
    x = 554,758.61

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1.5x scale

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.