Home / 646,487.38-969,731.82-197,184.46

Finding the Fourth Proportional to 646,487.38, 969,731.82 and 197,184.46

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Solution

The fourth proportional to 646,487.38, 969,731.82 and 197,184.46 is: 295,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,487.38 : 969,731.82 = 197,184.46 : x
  2. Step 2: Convert to fraction form
    646,487.38/969,731.82 = 197,184.46/x
  3. Step 3: Cross multiply
    646,487.38x = 969,731.82 × 197,184.46
  4. Step 4: Simplify right side
    646,487.38x = 191,216,045,271.52
  5. Step 5: Solve for x
    x = 191,216,045,271.52/646,487.38
  6. Step 6: Final answer
    x = 295,776.92

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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.