Home / 1,042,128.67-1,438,163.10-583,239.64

Finding the Fourth Proportional to 1,042,128.67, 1,438,163.10 and 583,239.64

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Solution

The fourth proportional to 1,042,128.67, 1,438,163.10 and 583,239.64 is: 804,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,128.67 : 1,438,163.10 = 583,239.64 : x
  2. Step 2: Convert to fraction form
    1,042,128.67/1,438,163.10 = 583,239.64/x
  3. Step 3: Cross multiply
    1,042,128.67x = 1,438,163.10 × 583,239.64
  4. Step 4: Simplify right side
    1,042,128.67x = 838,793,728,705.28
  5. Step 5: Solve for x
    x = 838,793,728,705.28/1,042,128.67
  6. Step 6: Final answer
    x = 804,884.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.