Home / 534,690.43-802,136.80-214,867.19

Finding the Fourth Proportional to 534,690.43, 802,136.80 and 214,867.19

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Solution

The fourth proportional to 534,690.43, 802,136.80 and 214,867.19 is: 322,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,690.43 : 802,136.80 = 214,867.19 : x
  2. Step 2: Convert to fraction form
    534,690.43/802,136.80 = 214,867.19/x
  3. Step 3: Cross multiply
    534,690.43x = 802,136.80 × 214,867.19
  4. Step 4: Simplify right side
    534,690.43x = 172,352,879,137.26
  5. Step 5: Solve for x
    x = 172,352,879,137.26/534,690.43
  6. Step 6: Final answer
    x = 322,341.44

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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.