Home / 451,628.20-677,443.49-152,319.02

Finding the Fourth Proportional to 451,628.20, 677,443.49 and 152,319.02

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Solution

The fourth proportional to 451,628.20, 677,443.49 and 152,319.02 is: 228,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,628.20 : 677,443.49 = 152,319.02 : x
  2. Step 2: Convert to fraction form
    451,628.20/677,443.49 = 152,319.02/x
  3. Step 3: Cross multiply
    451,628.20x = 677,443.49 × 152,319.02
  4. Step 4: Simplify right side
    451,628.20x = 103,187,528,502.18
  5. Step 5: Solve for x
    x = 103,187,528,502.18/451,628.20
  6. Step 6: Final answer
    x = 228,478.93

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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.