Home / 1,212,761.40-1,819,142.10-581,350.20

Finding the Fourth Proportional to 1,212,761.40, 1,819,142.10 and 581,350.20

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Solution

The fourth proportional to 1,212,761.40, 1,819,142.10 and 581,350.20 is: 872,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,761.40 : 1,819,142.10 = 581,350.20 : x
  2. Step 2: Convert to fraction form
    1,212,761.40/1,819,142.10 = 581,350.20/x
  3. Step 3: Cross multiply
    1,212,761.40x = 1,819,142.10 × 581,350.20
  4. Step 4: Simplify right side
    1,212,761.40x = 1,057,558,623,663.42
  5. Step 5: Solve for x
    x = 1,057,558,623,663.42/1,212,761.40
  6. Step 6: Final answer
    x = 872,025.30

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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.