Home / 722,229.40-1,083,344.10-512,277.40

Finding the Fourth Proportional to 722,229.40, 1,083,344.10 and 512,277.40

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Solution

The fourth proportional to 722,229.40, 1,083,344.10 and 512,277.40 is: 768,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,229.40 : 1,083,344.10 = 512,277.40 : x
  2. Step 2: Convert to fraction form
    722,229.40/1,083,344.10 = 512,277.40/x
  3. Step 3: Cross multiply
    722,229.40x = 1,083,344.10 × 512,277.40
  4. Step 4: Simplify right side
    722,229.40x = 554,972,698,853.34
  5. Step 5: Solve for x
    x = 554,972,698,853.34/722,229.40
  6. Step 6: Final answer
    x = 768,416.10

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Double scale
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Similar ratio
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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.