Home / 414,468.20-621,702.30-405,252.20

Finding the Fourth Proportional to 414,468.20, 621,702.30 and 405,252.20

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Solution

The fourth proportional to 414,468.20, 621,702.30 and 405,252.20 is: 607,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,468.20 : 621,702.30 = 405,252.20 : x
  2. Step 2: Convert to fraction form
    414,468.20/621,702.30 = 405,252.20/x
  3. Step 3: Cross multiply
    414,468.20x = 621,702.30 × 405,252.20
  4. Step 4: Simplify right side
    414,468.20x = 251,946,224,820.06
  5. Step 5: Solve for x
    x = 251,946,224,820.06/414,468.20
  6. Step 6: Final answer
    x = 607,878.30

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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.