Home / 794,480.76-1,096,378.86-450,381.60

Finding the Fourth Proportional to 794,480.76, 1,096,378.86 and 450,381.60

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Solution

The fourth proportional to 794,480.76, 1,096,378.86 and 450,381.60 is: 621,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,480.76 : 1,096,378.86 = 450,381.60 : x
  2. Step 2: Convert to fraction form
    794,480.76/1,096,378.86 = 450,381.60/x
  3. Step 3: Cross multiply
    794,480.76x = 1,096,378.86 × 450,381.60
  4. Step 4: Simplify right side
    794,480.76x = 493,788,865,172.98
  5. Step 5: Solve for x
    x = 493,788,865,172.98/794,480.76
  6. Step 6: Final answer
    x = 621,524.01

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Half scale
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Double scale
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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.