Home / 844,640.30-1,165,627.30-513,495.70

Finding the Fourth Proportional to 844,640.30, 1,165,627.30 and 513,495.70

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Solution

The fourth proportional to 844,640.30, 1,165,627.30 and 513,495.70 is: 708,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,640.30 : 1,165,627.30 = 513,495.70 : x
  2. Step 2: Convert to fraction form
    844,640.30/1,165,627.30 = 513,495.70/x
  3. Step 3: Cross multiply
    844,640.30x = 1,165,627.30 × 513,495.70
  4. Step 4: Simplify right side
    844,640.30x = 598,544,606,352.61
  5. Step 5: Solve for x
    x = 598,544,606,352.61/844,640.30
  6. Step 6: Final answer
    x = 708,638.47

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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.