Home / 632,193.21-947,291.09-513,283.59

Finding the Fourth Proportional to 632,193.21, 947,291.09 and 513,283.59

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Solution

The fourth proportional to 632,193.21, 947,291.09 and 513,283.59 is: 769,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,193.21 : 947,291.09 = 513,283.59 : x
  2. Step 2: Convert to fraction form
    632,193.21/947,291.09 = 513,283.59/x
  3. Step 3: Cross multiply
    632,193.21x = 947,291.09 × 513,283.59
  4. Step 4: Simplify right side
    632,193.21x = 486,228,968,883.80
  5. Step 5: Solve for x
    x = 486,228,968,883.80/632,193.21
  6. Step 6: Final answer
    x = 769,114.51

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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.