Home / 928,586.40-1,393,273.62-507,370.20

Finding the Fourth Proportional to 928,586.40, 1,393,273.62 and 507,370.20

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Solution

The fourth proportional to 928,586.40, 1,393,273.62 and 507,370.20 is: 761,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,586.40 : 1,393,273.62 = 507,370.20 : x
  2. Step 2: Convert to fraction form
    928,586.40/1,393,273.62 = 507,370.20/x
  3. Step 3: Cross multiply
    928,586.40x = 1,393,273.62 × 507,370.20
  4. Step 4: Simplify right side
    928,586.40x = 706,905,515,234.12
  5. Step 5: Solve for x
    x = 706,905,515,234.12/928,586.40
  6. Step 6: Final answer
    x = 761,270.59

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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.