Home / 632,189.96-947,286.21-513,280.34

Finding the Fourth Proportional to 632,189.96, 947,286.21 and 513,280.34

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Solution

The fourth proportional to 632,189.96, 947,286.21 and 513,280.34 is: 769,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,189.96 : 947,286.21 = 513,280.34 : x
  2. Step 2: Convert to fraction form
    632,189.96/947,286.21 = 513,280.34/x
  3. Step 3: Cross multiply
    632,189.96x = 947,286.21 × 513,280.34
  4. Step 4: Simplify right side
    632,189.96x = 486,223,387,946.11
  5. Step 5: Solve for x
    x = 486,223,387,946.11/632,189.96
  6. Step 6: Final answer
    x = 769,109.63

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Double scale
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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.