Home / 804,432.80-1,206,649.20-524,496.80

Finding the Fourth Proportional to 804,432.80, 1,206,649.20 and 524,496.80

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Solution

The fourth proportional to 804,432.80, 1,206,649.20 and 524,496.80 is: 786,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,432.80 : 1,206,649.20 = 524,496.80 : x
  2. Step 2: Convert to fraction form
    804,432.80/1,206,649.20 = 524,496.80/x
  3. Step 3: Cross multiply
    804,432.80x = 1,206,649.20 × 524,496.80
  4. Step 4: Simplify right side
    804,432.80x = 632,883,644,122.56
  5. Step 5: Solve for x
    x = 632,883,644,122.56/804,432.80
  6. Step 6: Final answer
    x = 786,745.20

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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.