Home / 1,706,948.31-2,560,803.83-641,999.60

Finding the Fourth Proportional to 1,706,948.31, 2,560,803.83 and 641,999.60

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Solution

The fourth proportional to 1,706,948.31, 2,560,803.83 and 641,999.60 is: 963,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,948.31 : 2,560,803.83 = 641,999.60 : x
  2. Step 2: Convert to fraction form
    1,706,948.31/2,560,803.83 = 641,999.60/x
  3. Step 3: Cross multiply
    1,706,948.31x = 2,560,803.83 × 641,999.60
  4. Step 4: Simplify right side
    1,706,948.31x = 1,644,035,034,538.47
  5. Step 5: Solve for x
    x = 1,644,035,034,538.47/1,706,948.31
  6. Step 6: Final answer
    x = 963,142.84

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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.