Home / 459,486.84-688,971.06-178,682.52

Finding the Fourth Proportional to 459,486.84, 688,971.06 and 178,682.52

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Solution

The fourth proportional to 459,486.84, 688,971.06 and 178,682.52 is: 267,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,486.84 : 688,971.06 = 178,682.52 : x
  2. Step 2: Convert to fraction form
    459,486.84/688,971.06 = 178,682.52/x
  3. Step 3: Cross multiply
    459,486.84x = 688,971.06 × 178,682.52
  4. Step 4: Simplify right side
    459,486.84x = 123,107,085,207.87
  5. Step 5: Solve for x
    x = 123,107,085,207.87/459,486.84
  6. Step 6: Final answer
    x = 267,922.98

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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.