Home / 1,281,909.05-1,769,271.14-823,596.54

Finding the Fourth Proportional to 1,281,909.05, 1,769,271.14 and 823,596.54

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Solution

The fourth proportional to 1,281,909.05, 1,769,271.14 and 823,596.54 is: 1,136,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,909.05 : 1,769,271.14 = 823,596.54 : x
  2. Step 2: Convert to fraction form
    1,281,909.05/1,769,271.14 = 823,596.54/x
  3. Step 3: Cross multiply
    1,281,909.05x = 1,769,271.14 × 823,596.54
  4. Step 4: Simplify right side
    1,281,909.05x = 1,457,165,589,969.50
  5. Step 5: Solve for x
    x = 1,457,165,589,969.50/1,281,909.05
  6. Step 6: Final answer
    x = 1,136,715.27

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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.