Home / 816,000.60-1,222,964.10-394,368.60

Finding the Fourth Proportional to 816,000.60, 1,222,964.10 and 394,368.60

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Solution

The fourth proportional to 816,000.60, 1,222,964.10 and 394,368.60 is: 591,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,000.60 : 1,222,964.10 = 394,368.60 : x
  2. Step 2: Convert to fraction form
    816,000.60/1,222,964.10 = 394,368.60/x
  3. Step 3: Cross multiply
    816,000.60x = 1,222,964.10 × 394,368.60
  4. Step 4: Simplify right side
    816,000.60x = 482,298,639,967.26
  5. Step 5: Solve for x
    x = 482,298,639,967.26/816,000.60
  6. Step 6: Final answer
    x = 591,051.82

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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.