Home / 722,232.40-1,083,348.60-512,280.40

Finding the Fourth Proportional to 722,232.40, 1,083,348.60 and 512,280.40

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Solution

The fourth proportional to 722,232.40, 1,083,348.60 and 512,280.40 is: 768,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,232.40 : 1,083,348.60 = 512,280.40 : x
  2. Step 2: Convert to fraction form
    722,232.40/1,083,348.60 = 512,280.40/x
  3. Step 3: Cross multiply
    722,232.40x = 1,083,348.60 × 512,280.40
  4. Step 4: Simplify right side
    722,232.40x = 554,978,254,147.44
  5. Step 5: Solve for x
    x = 554,978,254,147.44/722,232.40
  6. Step 6: Final answer
    x = 768,420.60

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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.