Home / 1,365,043.88-1,883,760.56-761,431.88

Finding the Fourth Proportional to 1,365,043.88, 1,883,760.56 and 761,431.88

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Solution

The fourth proportional to 1,365,043.88, 1,883,760.56 and 761,431.88 is: 1,050,775.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,043.88 : 1,883,760.56 = 761,431.88 : x
  2. Step 2: Convert to fraction form
    1,365,043.88/1,883,760.56 = 761,431.88/x
  3. Step 3: Cross multiply
    1,365,043.88x = 1,883,760.56 × 761,431.88
  4. Step 4: Simplify right side
    1,365,043.88x = 1,434,355,331,444.69
  5. Step 5: Solve for x
    x = 1,434,355,331,444.69/1,365,043.88
  6. Step 6: Final answer
    x = 1,050,775.99

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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.