Home / 809,054.30-1,214,893.65-585,980.30

Finding the Fourth Proportional to 809,054.30, 1,214,893.65 and 585,980.30

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Solution

The fourth proportional to 809,054.30, 1,214,893.65 and 585,980.30 is: 879,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,054.30 : 1,214,893.65 = 585,980.30 : x
  2. Step 2: Convert to fraction form
    809,054.30/1,214,893.65 = 585,980.30/x
  3. Step 3: Cross multiply
    809,054.30x = 1,214,893.65 × 585,980.30
  4. Step 4: Simplify right side
    809,054.30x = 711,903,745,495.10
  5. Step 5: Solve for x
    x = 711,903,745,495.10/809,054.30
  6. Step 6: Final answer
    x = 879,920.85

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Double scale
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Similar ratio
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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.