Home / 541,427.39-747,236.57-308,911.58

Finding the Fourth Proportional to 541,427.39, 747,236.57 and 308,911.58

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Solution

The fourth proportional to 541,427.39, 747,236.57 and 308,911.58 is: 426,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,427.39 : 747,236.57 = 308,911.58 : x
  2. Step 2: Convert to fraction form
    541,427.39/747,236.57 = 308,911.58/x
  3. Step 3: Cross multiply
    541,427.39x = 747,236.57 × 308,911.58
  4. Step 4: Simplify right side
    541,427.39x = 230,830,024,191.74
  5. Step 5: Solve for x
    x = 230,830,024,191.74/541,427.39
  6. Step 6: Final answer
    x = 426,336.07

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.