Home / 459,220.80-688,549.44-178,410.24

Finding the Fourth Proportional to 459,220.80, 688,549.44 and 178,410.24

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Solution

The fourth proportional to 459,220.80, 688,549.44 and 178,410.24 is: 267,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,220.80 : 688,549.44 = 178,410.24 : x
  2. Step 2: Convert to fraction form
    459,220.80/688,549.44 = 178,410.24/x
  3. Step 3: Cross multiply
    459,220.80x = 688,549.44 × 178,410.24
  4. Step 4: Simplify right side
    459,220.80x = 122,844,270,842.27
  5. Step 5: Solve for x
    x = 122,844,270,842.27/459,220.80
  6. Step 6: Final answer
    x = 267,505.89

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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.