Home / 1,399,411.60-2,098,143.44-620,001.25

Finding the Fourth Proportional to 1,399,411.60, 2,098,143.44 and 620,001.25

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Solution

The fourth proportional to 1,399,411.60, 2,098,143.44 and 620,001.25 is: 929,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,411.60 : 2,098,143.44 = 620,001.25 : x
  2. Step 2: Convert to fraction form
    1,399,411.60/2,098,143.44 = 620,001.25/x
  3. Step 3: Cross multiply
    1,399,411.60x = 2,098,143.44 × 620,001.25
  4. Step 4: Simplify right side
    1,399,411.60x = 1,300,851,555,479.30
  5. Step 5: Solve for x
    x = 1,300,851,555,479.30/1,399,411.60
  6. Step 6: Final answer
    x = 929,570.37

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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.