Home / 1,086,959.40-1,630,827.90-456,066.60

Finding the Fourth Proportional to 1,086,959.40, 1,630,827.90 and 456,066.60

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Solution

The fourth proportional to 1,086,959.40, 1,630,827.90 and 456,066.60 is: 684,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,959.40 : 1,630,827.90 = 456,066.60 : x
  2. Step 2: Convert to fraction form
    1,086,959.40/1,630,827.90 = 456,066.60/x
  3. Step 3: Cross multiply
    1,086,959.40x = 1,630,827.90 × 456,066.60
  4. Step 4: Simplify right side
    1,086,959.40x = 743,766,135,538.14
  5. Step 5: Solve for x
    x = 743,766,135,538.14/1,086,959.40
  6. Step 6: Final answer
    x = 684,263.03

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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.