Home / 1,181,597.38-1,630,596.09-645,053.38

Finding the Fourth Proportional to 1,181,597.38, 1,630,596.09 and 645,053.38

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Solution

The fourth proportional to 1,181,597.38, 1,630,596.09 and 645,053.38 is: 890,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,597.38 : 1,630,596.09 = 645,053.38 : x
  2. Step 2: Convert to fraction form
    1,181,597.38/1,630,596.09 = 645,053.38/x
  3. Step 3: Cross multiply
    1,181,597.38x = 1,630,596.09 × 645,053.38
  4. Step 4: Simplify right side
    1,181,597.38x = 1,051,821,519,269.28
  5. Step 5: Solve for x
    x = 1,051,821,519,269.28/1,181,597.38
  6. Step 6: Final answer
    x = 890,169.14

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Double scale
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1.5x scale

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.