Home / 770,483.75-1,063,247.11-426,310.70

Finding the Fourth Proportional to 770,483.75, 1,063,247.11 and 426,310.70

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Solution

The fourth proportional to 770,483.75, 1,063,247.11 and 426,310.70 is: 588,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,483.75 : 1,063,247.11 = 426,310.70 : x
  2. Step 2: Convert to fraction form
    770,483.75/1,063,247.11 = 426,310.70/x
  3. Step 3: Cross multiply
    770,483.75x = 1,063,247.11 × 426,310.70
  4. Step 4: Simplify right side
    770,483.75x = 453,273,613,355.07
  5. Step 5: Solve for x
    x = 453,273,613,355.07/770,483.75
  6. Step 6: Final answer
    x = 588,297.44

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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.