Home / 735,464.40-1,103,196.60-261,978.90

Finding the Fourth Proportional to 735,464.40, 1,103,196.60 and 261,978.90

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Solution

The fourth proportional to 735,464.40, 1,103,196.60 and 261,978.90 is: 392,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,464.40 : 1,103,196.60 = 261,978.90 : x
  2. Step 2: Convert to fraction form
    735,464.40/1,103,196.60 = 261,978.90/x
  3. Step 3: Cross multiply
    735,464.40x = 1,103,196.60 × 261,978.90
  4. Step 4: Simplify right side
    735,464.40x = 289,014,231,751.74
  5. Step 5: Solve for x
    x = 289,014,231,751.74/735,464.40
  6. Step 6: Final answer
    x = 392,968.35

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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.