Home / 1,181,600.88-1,630,600.92-645,056.88

Finding the Fourth Proportional to 1,181,600.88, 1,630,600.92 and 645,056.88

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Solution

The fourth proportional to 1,181,600.88, 1,630,600.92 and 645,056.88 is: 890,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,600.88 : 1,630,600.92 = 645,056.88 : x
  2. Step 2: Convert to fraction form
    1,181,600.88/1,630,600.92 = 645,056.88/x
  3. Step 3: Cross multiply
    1,181,600.88x = 1,630,600.92 × 645,056.88
  4. Step 4: Simplify right side
    1,181,600.88x = 1,051,830,341,980.33
  5. Step 5: Solve for x
    x = 1,051,830,341,980.33/1,181,600.88
  6. Step 6: Final answer
    x = 890,173.97

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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.