Home / 846,939.49-1,168,778.44-464,990.87

Finding the Fourth Proportional to 846,939.49, 1,168,778.44 and 464,990.87

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Solution

The fourth proportional to 846,939.49, 1,168,778.44 and 464,990.87 is: 641,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,939.49 : 1,168,778.44 = 464,990.87 : x
  2. Step 2: Convert to fraction form
    846,939.49/1,168,778.44 = 464,990.87/x
  3. Step 3: Cross multiply
    846,939.49x = 1,168,778.44 × 464,990.87
  4. Step 4: Simplify right side
    846,939.49x = 543,471,307,156.03
  5. Step 5: Solve for x
    x = 543,471,307,156.03/846,939.49
  6. Step 6: Final answer
    x = 641,688.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.