Home / 916,272.60-1,374,408.90-496,368.60

Finding the Fourth Proportional to 916,272.60, 1,374,408.90 and 496,368.60

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Solution

The fourth proportional to 916,272.60, 1,374,408.90 and 496,368.60 is: 744,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,272.60 : 1,374,408.90 = 496,368.60 : x
  2. Step 2: Convert to fraction form
    916,272.60/1,374,408.90 = 496,368.60/x
  3. Step 3: Cross multiply
    916,272.60x = 1,374,408.90 × 496,368.60
  4. Step 4: Simplify right side
    916,272.60x = 682,213,421,520.54
  5. Step 5: Solve for x
    x = 682,213,421,520.54/916,272.60
  6. Step 6: Final answer
    x = 744,552.90

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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.