Home / 1,220,434.08-1,830,226.38-500,571.33

Finding the Fourth Proportional to 1,220,434.08, 1,830,226.38 and 500,571.33

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Solution

The fourth proportional to 1,220,434.08, 1,830,226.38 and 500,571.33 is: 750,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,434.08 : 1,830,226.38 = 500,571.33 : x
  2. Step 2: Convert to fraction form
    1,220,434.08/1,830,226.38 = 500,571.33/x
  3. Step 3: Cross multiply
    1,220,434.08x = 1,830,226.38 × 500,571.33
  4. Step 4: Simplify right side
    1,220,434.08x = 916,158,853,237.69
  5. Step 5: Solve for x
    x = 916,158,853,237.69/1,220,434.08
  6. Step 6: Final answer
    x = 750,682.78

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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.