Home / 1,086,989.60-1,628,516.10-929,525.60

Finding the Fourth Proportional to 1,086,989.60, 1,628,516.10 and 929,525.60

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Solution

The fourth proportional to 1,086,989.60, 1,628,516.10 and 929,525.60 is: 1,392,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,989.60 : 1,628,516.10 = 929,525.60 : x
  2. Step 2: Convert to fraction form
    1,086,989.60/1,628,516.10 = 929,525.60/x
  3. Step 3: Cross multiply
    1,086,989.60x = 1,628,516.10 × 929,525.60
  4. Step 4: Simplify right side
    1,086,989.60x = 1,513,747,404,962.16
  5. Step 5: Solve for x
    x = 1,513,747,404,962.16/1,086,989.60
  6. Step 6: Final answer
    x = 1,392,605.23

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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.