Home / 916,312.40-1,374,468.60-251,464.40

Finding the Fourth Proportional to 916,312.40, 1,374,468.60 and 251,464.40

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Solution

The fourth proportional to 916,312.40, 1,374,468.60 and 251,464.40 is: 377,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,312.40 : 1,374,468.60 = 251,464.40 : x
  2. Step 2: Convert to fraction form
    916,312.40/1,374,468.60 = 251,464.40/x
  3. Step 3: Cross multiply
    916,312.40x = 1,374,468.60 × 251,464.40
  4. Step 4: Simplify right side
    916,312.40x = 345,629,921,817.84
  5. Step 5: Solve for x
    x = 345,629,921,817.84/916,312.40
  6. Step 6: Final answer
    x = 377,196.60

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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.