Home / 1,181,606.88-1,630,609.20-645,062.88

Finding the Fourth Proportional to 1,181,606.88, 1,630,609.20 and 645,062.88

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Solution

The fourth proportional to 1,181,606.88, 1,630,609.20 and 645,062.88 is: 890,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,606.88 : 1,630,609.20 = 645,062.88 : x
  2. Step 2: Convert to fraction form
    1,181,606.88/1,630,609.20 = 645,062.88/x
  3. Step 3: Cross multiply
    1,181,606.88x = 1,630,609.20 × 645,062.88
  4. Step 4: Simplify right side
    1,181,606.88x = 1,051,845,466,706.50
  5. Step 5: Solve for x
    x = 1,051,845,466,706.50/1,181,606.88
  6. Step 6: Final answer
    x = 890,182.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.