Home / 809,053.30-1,214,892.15-585,979.30

Finding the Fourth Proportional to 809,053.30, 1,214,892.15 and 585,979.30

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Solution

The fourth proportional to 809,053.30, 1,214,892.15 and 585,979.30 is: 879,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,053.30 : 1,214,892.15 = 585,979.30 : x
  2. Step 2: Convert to fraction form
    809,053.30/1,214,892.15 = 585,979.30/x
  3. Step 3: Cross multiply
    809,053.30x = 1,214,892.15 × 585,979.30
  4. Step 4: Simplify right side
    809,053.30x = 711,901,651,632.50
  5. Step 5: Solve for x
    x = 711,901,651,632.50/809,053.30
  6. Step 6: Final answer
    x = 879,919.35

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Double scale
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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.