Home / 1,181,597.51-1,630,596.26-645,053.51

Finding the Fourth Proportional to 1,181,597.51, 1,630,596.26 and 645,053.51

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Solution

The fourth proportional to 1,181,597.51, 1,630,596.26 and 645,053.51 is: 890,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,597.51 : 1,630,596.26 = 645,053.51 : x
  2. Step 2: Convert to fraction form
    1,181,597.51/1,630,596.26 = 645,053.51/x
  3. Step 3: Cross multiply
    1,181,597.51x = 1,630,596.26 × 645,053.51
  4. Step 4: Simplify right side
    1,181,597.51x = 1,051,821,829,527.62
  5. Step 5: Solve for x
    x = 1,051,821,829,527.62/1,181,597.51
  6. Step 6: Final answer
    x = 890,169.30

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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.