Home / 1,214,722.20-1,822,169.70-373,272.60

Finding the Fourth Proportional to 1,214,722.20, 1,822,169.70 and 373,272.60

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Solution

The fourth proportional to 1,214,722.20, 1,822,169.70 and 373,272.60 is: 559,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,722.20 : 1,822,169.70 = 373,272.60 : x
  2. Step 2: Convert to fraction form
    1,214,722.20/1,822,169.70 = 373,272.60/x
  3. Step 3: Cross multiply
    1,214,722.20x = 1,822,169.70 × 373,272.60
  4. Step 4: Simplify right side
    1,214,722.20x = 680,166,021,560.22
  5. Step 5: Solve for x
    x = 680,166,021,560.22/1,214,722.20
  6. Step 6: Final answer
    x = 559,935.45

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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.