Home / 958,905.48-1,323,321.34-523,346.60

Finding the Fourth Proportional to 958,905.48, 1,323,321.34 and 523,346.60

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Solution

The fourth proportional to 958,905.48, 1,323,321.34 and 523,346.60 is: 722,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,905.48 : 1,323,321.34 = 523,346.60 : x
  2. Step 2: Convert to fraction form
    958,905.48/1,323,321.34 = 523,346.60/x
  3. Step 3: Cross multiply
    958,905.48x = 1,323,321.34 × 523,346.60
  4. Step 4: Simplify right side
    958,905.48x = 692,555,723,996.44
  5. Step 5: Solve for x
    x = 692,555,723,996.44/958,905.48
  6. Step 6: Final answer
    x = 722,235.65

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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.