Home / 810,246.04-1,118,109.32-447,662.12

Finding the Fourth Proportional to 810,246.04, 1,118,109.32 and 447,662.12

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Solution

The fourth proportional to 810,246.04, 1,118,109.32 and 447,662.12 is: 617,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,246.04 : 1,118,109.32 = 447,662.12 : x
  2. Step 2: Convert to fraction form
    810,246.04/1,118,109.32 = 447,662.12/x
  3. Step 3: Cross multiply
    810,246.04x = 1,118,109.32 × 447,662.12
  4. Step 4: Simplify right side
    810,246.04x = 500,535,188,582.96
  5. Step 5: Solve for x
    x = 500,535,188,582.96/810,246.04
  6. Step 6: Final answer
    x = 617,757.03

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Double scale
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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.