Home / 448,284.07-672,531.22-178,428.56

Finding the Fourth Proportional to 448,284.07, 672,531.22 and 178,428.56

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Solution

The fourth proportional to 448,284.07, 672,531.22 and 178,428.56 is: 267,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,284.07 : 672,531.22 = 178,428.56 : x
  2. Step 2: Convert to fraction form
    448,284.07/672,531.22 = 178,428.56/x
  3. Step 3: Cross multiply
    448,284.07x = 672,531.22 × 178,428.56
  4. Step 4: Simplify right side
    448,284.07x = 119,998,774,000.02
  5. Step 5: Solve for x
    x = 119,998,774,000.02/448,284.07
  6. Step 6: Final answer
    x = 267,684.67

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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.