Home / 1,129,504.50-1,558,727.15-620,217.81

Finding the Fourth Proportional to 1,129,504.50, 1,558,727.15 and 620,217.81

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Solution

The fourth proportional to 1,129,504.50, 1,558,727.15 and 620,217.81 is: 855,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,504.50 : 1,558,727.15 = 620,217.81 : x
  2. Step 2: Convert to fraction form
    1,129,504.50/1,558,727.15 = 620,217.81/x
  3. Step 3: Cross multiply
    1,129,504.50x = 1,558,727.15 × 620,217.81
  4. Step 4: Simplify right side
    1,129,504.50x = 966,750,336,259.45
  5. Step 5: Solve for x
    x = 966,750,336,259.45/1,129,504.50
  6. Step 6: Final answer
    x = 855,906.58

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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.