Home / 447,222.52-670,901.79-147,734.74

Finding the Fourth Proportional to 447,222.52, 670,901.79 and 147,734.74

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Solution

The fourth proportional to 447,222.52, 670,901.79 and 147,734.74 is: 221,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,222.52 : 670,901.79 = 147,734.74 : x
  2. Step 2: Convert to fraction form
    447,222.52/670,901.79 = 147,734.74/x
  3. Step 3: Cross multiply
    447,222.52x = 670,901.79 × 147,734.74
  4. Step 4: Simplify right side
    447,222.52x = 99,115,501,511.18
  5. Step 5: Solve for x
    x = 99,115,501,511.18/447,222.52
  6. Step 6: Final answer
    x = 221,624.58

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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.