Home / 755,778.24-1,043,021.20-416,246.40

Finding the Fourth Proportional to 755,778.24, 1,043,021.20 and 416,246.40

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Solution

The fourth proportional to 755,778.24, 1,043,021.20 and 416,246.40 is: 574,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,778.24 : 1,043,021.20 = 416,246.40 : x
  2. Step 2: Convert to fraction form
    755,778.24/1,043,021.20 = 416,246.40/x
  3. Step 3: Cross multiply
    755,778.24x = 1,043,021.20 × 416,246.40
  4. Step 4: Simplify right side
    755,778.24x = 434,153,819,623.68
  5. Step 5: Solve for x
    x = 434,153,819,623.68/755,778.24
  6. Step 6: Final answer
    x = 574,446.04

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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.