Home / 632,189.43-947,285.41-513,279.81

Finding the Fourth Proportional to 632,189.43, 947,285.41 and 513,279.81

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Solution

The fourth proportional to 632,189.43, 947,285.41 and 513,279.81 is: 769,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,189.43 : 947,285.41 = 513,279.81 : x
  2. Step 2: Convert to fraction form
    632,189.43/947,285.41 = 513,279.81/x
  3. Step 3: Cross multiply
    632,189.43x = 947,285.41 × 513,279.81
  4. Step 4: Simplify right side
    632,189.43x = 486,222,475,260.57
  5. Step 5: Solve for x
    x = 486,222,475,260.57/632,189.43
  6. Step 6: Final answer
    x = 769,108.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.