Home / 628,944.26-867,939.38-342,463.66

Finding the Fourth Proportional to 628,944.26, 867,939.38 and 342,463.66

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Solution

The fourth proportional to 628,944.26, 867,939.38 and 342,463.66 is: 472,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,944.26 : 867,939.38 = 342,463.66 : x
  2. Step 2: Convert to fraction form
    628,944.26/867,939.38 = 342,463.66/x
  3. Step 3: Cross multiply
    628,944.26x = 867,939.38 × 342,463.66
  4. Step 4: Simplify right side
    628,944.26x = 297,237,690,680.92
  5. Step 5: Solve for x
    x = 297,237,690,680.92/628,944.26
  6. Step 6: Final answer
    x = 472,597.83

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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.