Home / 452,176.80-677,378.40-262,238.12

Finding the Fourth Proportional to 452,176.80, 677,378.40 and 262,238.12

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Solution

The fourth proportional to 452,176.80, 677,378.40 and 262,238.12 is: 392,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,176.80 : 677,378.40 = 262,238.12 : x
  2. Step 2: Convert to fraction form
    452,176.80/677,378.40 = 262,238.12/x
  3. Step 3: Cross multiply
    452,176.80x = 677,378.40 × 262,238.12
  4. Step 4: Simplify right side
    452,176.80x = 177,634,440,124.75
  5. Step 5: Solve for x
    x = 177,634,440,124.75/452,176.80
  6. Step 6: Final answer
    x = 392,842.89

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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.