Home / 731,330.73-1,096,799.53-257,953.77

Finding the Fourth Proportional to 731,330.73, 1,096,799.53 and 257,953.77

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Solution

The fourth proportional to 731,330.73, 1,096,799.53 and 257,953.77 is: 386,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,330.73 : 1,096,799.53 = 257,953.77 : x
  2. Step 2: Convert to fraction form
    731,330.73/1,096,799.53 = 257,953.77/x
  3. Step 3: Cross multiply
    731,330.73x = 1,096,799.53 × 257,953.77
  4. Step 4: Simplify right side
    731,330.73x = 282,923,573,697.73
  5. Step 5: Solve for x
    x = 282,923,573,697.73/731,330.73
  6. Step 6: Final answer
    x = 386,861.32

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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.