Home / 1,768,905.80-2,653,358.70-1,131,176.60

Finding the Fourth Proportional to 1,768,905.80, 2,653,358.70 and 1,131,176.60

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Solution

The fourth proportional to 1,768,905.80, 2,653,358.70 and 1,131,176.60 is: 1,696,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,905.80 : 2,653,358.70 = 1,131,176.60 : x
  2. Step 2: Convert to fraction form
    1,768,905.80/2,653,358.70 = 1,131,176.60/x
  3. Step 3: Cross multiply
    1,768,905.80x = 2,653,358.70 × 1,131,176.60
  4. Step 4: Simplify right side
    1,768,905.80x = 3,001,417,272,846.42
  5. Step 5: Solve for x
    x = 3,001,417,272,846.42/1,768,905.80
  6. Step 6: Final answer
    x = 1,696,764.90

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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.