Home / 1,212,773.40-1,819,160.10-581,362.20

Finding the Fourth Proportional to 1,212,773.40, 1,819,160.10 and 581,362.20

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Solution

The fourth proportional to 1,212,773.40, 1,819,160.10 and 581,362.20 is: 872,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,773.40 : 1,819,160.10 = 581,362.20 : x
  2. Step 2: Convert to fraction form
    1,212,773.40/1,819,160.10 = 581,362.20/x
  3. Step 3: Cross multiply
    1,212,773.40x = 1,819,160.10 × 581,362.20
  4. Step 4: Simplify right side
    1,212,773.40x = 1,057,590,917,888.22
  5. Step 5: Solve for x
    x = 1,057,590,917,888.22/1,212,773.40
  6. Step 6: Final answer
    x = 872,043.30

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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.