Home / 731,240.34-1,096,858.32-257,811.54

Finding the Fourth Proportional to 731,240.34, 1,096,858.32 and 257,811.54

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Solution

The fourth proportional to 731,240.34, 1,096,858.32 and 257,811.54 is: 386,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,240.34 : 1,096,858.32 = 257,811.54 : x
  2. Step 2: Convert to fraction form
    731,240.34/1,096,858.32 = 257,811.54/x
  3. Step 3: Cross multiply
    731,240.34x = 1,096,858.32 × 257,811.54
  4. Step 4: Simplify right side
    731,240.34x = 282,782,732,641.01
  5. Step 5: Solve for x
    x = 282,782,732,641.01/731,240.34
  6. Step 6: Final answer
    x = 386,716.54

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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.