Home / 414,631.40-622,603.20-314,904.20

Finding the Fourth Proportional to 414,631.40, 622,603.20 and 314,904.20

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Solution

The fourth proportional to 414,631.40, 622,603.20 and 314,904.20 is: 472,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,631.40 : 622,603.20 = 314,904.20 : x
  2. Step 2: Convert to fraction form
    414,631.40/622,603.20 = 314,904.20/x
  3. Step 3: Cross multiply
    414,631.40x = 622,603.20 × 314,904.20
  4. Step 4: Simplify right side
    414,631.40x = 196,060,362,613.44
  5. Step 5: Solve for x
    x = 196,060,362,613.44/414,631.40
  6. Step 6: Final answer
    x = 472,854.59

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1.5x scale

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.