Home / 1,222,913.40-1,835,084.52-512,881.98

Finding the Fourth Proportional to 1,222,913.40, 1,835,084.52 and 512,881.98

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Solution

The fourth proportional to 1,222,913.40, 1,835,084.52 and 512,881.98 is: 769,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,913.40 : 1,835,084.52 = 512,881.98 : x
  2. Step 2: Convert to fraction form
    1,222,913.40/1,835,084.52 = 512,881.98/x
  3. Step 3: Cross multiply
    1,222,913.40x = 1,835,084.52 × 512,881.98
  4. Step 4: Simplify right side
    1,222,913.40x = 941,181,782,084.95
  5. Step 5: Solve for x
    x = 941,181,782,084.95/1,222,913.40
  6. Step 6: Final answer
    x = 769,622.59

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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.