Home / 1,071,605.43-1,607,408.19-323,651.43

Finding the Fourth Proportional to 1,071,605.43, 1,607,408.19 and 323,651.43

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Solution

The fourth proportional to 1,071,605.43, 1,607,408.19 and 323,651.43 is: 485,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,605.43 : 1,607,408.19 = 323,651.43 : x
  2. Step 2: Convert to fraction form
    1,071,605.43/1,607,408.19 = 323,651.43/x
  3. Step 3: Cross multiply
    1,071,605.43x = 1,607,408.19 × 323,651.43
  4. Step 4: Simplify right side
    1,071,605.43x = 520,239,959,287.21
  5. Step 5: Solve for x
    x = 520,239,959,287.21/1,071,605.43
  6. Step 6: Final answer
    x = 485,477.16

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Half scale
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Double scale
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Similar ratio
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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.