Home / 770,544.49-1,063,431.44-443,868.79

Finding the Fourth Proportional to 770,544.49, 1,063,431.44 and 443,868.79

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Solution

The fourth proportional to 770,544.49, 1,063,431.44 and 443,868.79 is: 612,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,544.49 : 1,063,431.44 = 443,868.79 : x
  2. Step 2: Convert to fraction form
    770,544.49/1,063,431.44 = 443,868.79/x
  3. Step 3: Cross multiply
    770,544.49x = 1,063,431.44 × 443,868.79
  4. Step 4: Simplify right side
    770,544.49x = 472,024,026,520.76
  5. Step 5: Solve for x
    x = 472,024,026,520.76/770,544.49
  6. Step 6: Final answer
    x = 612,585.04

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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.