Home / 910,408.40-1,365,612.60-236,434.40

Finding the Fourth Proportional to 910,408.40, 1,365,612.60 and 236,434.40

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Solution

The fourth proportional to 910,408.40, 1,365,612.60 and 236,434.40 is: 354,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,408.40 : 1,365,612.60 = 236,434.40 : x
  2. Step 2: Convert to fraction form
    910,408.40/1,365,612.60 = 236,434.40/x
  3. Step 3: Cross multiply
    910,408.40x = 1,365,612.60 × 236,434.40
  4. Step 4: Simplify right side
    910,408.40x = 322,877,795,713.44
  5. Step 5: Solve for x
    x = 322,877,795,713.44/910,408.40
  6. Step 6: Final answer
    x = 354,651.60

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Half scale
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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.