Home / 1,220,336.40-1,830,523.82-461,974.32

Finding the Fourth Proportional to 1,220,336.40, 1,830,523.82 and 461,974.32

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Solution

The fourth proportional to 1,220,336.40, 1,830,523.82 and 461,974.32 is: 692,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,336.40 : 1,830,523.82 = 461,974.32 : x
  2. Step 2: Convert to fraction form
    1,220,336.40/1,830,523.82 = 461,974.32/x
  3. Step 3: Cross multiply
    1,220,336.40x = 1,830,523.82 × 461,974.32
  4. Step 4: Simplify right side
    1,220,336.40x = 845,654,996,988.30
  5. Step 5: Solve for x
    x = 845,654,996,988.30/1,220,336.40
  6. Step 6: Final answer
    x = 692,968.76

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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.