Home / 1,227,627.70-1,693,539.46-953,821.78

Finding the Fourth Proportional to 1,227,627.70, 1,693,539.46 and 953,821.78

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Solution

The fourth proportional to 1,227,627.70, 1,693,539.46 and 953,821.78 is: 1,315,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,627.70 : 1,693,539.46 = 953,821.78 : x
  2. Step 2: Convert to fraction form
    1,227,627.70/1,693,539.46 = 953,821.78/x
  3. Step 3: Cross multiply
    1,227,627.70x = 1,693,539.46 × 953,821.78
  4. Step 4: Simplify right side
    1,227,627.70x = 1,615,334,819,195.87
  5. Step 5: Solve for x
    x = 1,615,334,819,195.87/1,227,627.70
  6. Step 6: Final answer
    x = 1,315,818.16

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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.