Home / 1,055,999.20-1,583,998.80-657,090.40

Finding the Fourth Proportional to 1,055,999.20, 1,583,998.80 and 657,090.40

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Solution

The fourth proportional to 1,055,999.20, 1,583,998.80 and 657,090.40 is: 985,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,999.20 : 1,583,998.80 = 657,090.40 : x
  2. Step 2: Convert to fraction form
    1,055,999.20/1,583,998.80 = 657,090.40/x
  3. Step 3: Cross multiply
    1,055,999.20x = 1,583,998.80 × 657,090.40
  4. Step 4: Simplify right side
    1,055,999.20x = 1,040,830,405,091.52
  5. Step 5: Solve for x
    x = 1,040,830,405,091.52/1,055,999.20
  6. Step 6: Final answer
    x = 985,635.60

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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.