Home / 894,855.43-1,234,900.71-492,447.43

Finding the Fourth Proportional to 894,855.43, 1,234,900.71 and 492,447.43

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Solution

The fourth proportional to 894,855.43, 1,234,900.71 and 492,447.43 is: 679,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,855.43 : 1,234,900.71 = 492,447.43 : x
  2. Step 2: Convert to fraction form
    894,855.43/1,234,900.71 = 492,447.43/x
  3. Step 3: Cross multiply
    894,855.43x = 1,234,900.71 × 492,447.43
  4. Step 4: Simplify right side
    894,855.43x = 608,123,680,944.68
  5. Step 5: Solve for x
    x = 608,123,680,944.68/894,855.43
  6. Step 6: Final answer
    x = 679,577.57

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Half scale
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Double scale
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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.