Home / 406,391.56-560,816.38-234,246.72

Finding the Fourth Proportional to 406,391.56, 560,816.38 and 234,246.72

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Solution

The fourth proportional to 406,391.56, 560,816.38 and 234,246.72 is: 323,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,391.56 : 560,816.38 = 234,246.72 : x
  2. Step 2: Convert to fraction form
    406,391.56/560,816.38 = 234,246.72/x
  3. Step 3: Cross multiply
    406,391.56x = 560,816.38 × 234,246.72
  4. Step 4: Simplify right side
    406,391.56x = 131,369,397,537.27
  5. Step 5: Solve for x
    x = 131,369,397,537.27/406,391.56
  6. Step 6: Final answer
    x = 323,258.18

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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.