Home / 735,986.40-1,103,979.60-399,188.40

Finding the Fourth Proportional to 735,986.40, 1,103,979.60 and 399,188.40

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Solution

The fourth proportional to 735,986.40, 1,103,979.60 and 399,188.40 is: 598,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,986.40 : 1,103,979.60 = 399,188.40 : x
  2. Step 2: Convert to fraction form
    735,986.40/1,103,979.60 = 399,188.40/x
  3. Step 3: Cross multiply
    735,986.40x = 1,103,979.60 × 399,188.40
  4. Step 4: Simplify right side
    735,986.40x = 440,695,850,156.64
  5. Step 5: Solve for x
    x = 440,695,850,156.64/735,986.40
  6. Step 6: Final answer
    x = 598,782.60

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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.