Home / 1,008,017.88-1,391,108.22-572,426.43

Finding the Fourth Proportional to 1,008,017.88, 1,391,108.22 and 572,426.43

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Solution

The fourth proportional to 1,008,017.88, 1,391,108.22 and 572,426.43 is: 789,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,017.88 : 1,391,108.22 = 572,426.43 : x
  2. Step 2: Convert to fraction form
    1,008,017.88/1,391,108.22 = 572,426.43/x
  3. Step 3: Cross multiply
    1,008,017.88x = 1,391,108.22 × 572,426.43
  4. Step 4: Simplify right side
    1,008,017.88x = 796,307,112,118.26
  5. Step 5: Solve for x
    x = 796,307,112,118.26/1,008,017.88
  6. Step 6: Final answer
    x = 789,973.20

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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.