Home / 1,042,212.80-1,563,319.20-411,044.60

Finding the Fourth Proportional to 1,042,212.80, 1,563,319.20 and 411,044.60

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Solution

The fourth proportional to 1,042,212.80, 1,563,319.20 and 411,044.60 is: 616,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,212.80 : 1,563,319.20 = 411,044.60 : x
  2. Step 2: Convert to fraction form
    1,042,212.80/1,563,319.20 = 411,044.60/x
  3. Step 3: Cross multiply
    1,042,212.80x = 1,563,319.20 × 411,044.60
  4. Step 4: Simplify right side
    1,042,212.80x = 642,593,915,236.32
  5. Step 5: Solve for x
    x = 642,593,915,236.32/1,042,212.80
  6. Step 6: Final answer
    x = 616,566.90

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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.