Home / 764,864.88-1,055,520.36-416,008.41

Finding the Fourth Proportional to 764,864.88, 1,055,520.36 and 416,008.41

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Solution

The fourth proportional to 764,864.88, 1,055,520.36 and 416,008.41 is: 574,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,864.88 : 1,055,520.36 = 416,008.41 : x
  2. Step 2: Convert to fraction form
    764,864.88/1,055,520.36 = 416,008.41/x
  3. Step 3: Cross multiply
    764,864.88x = 1,055,520.36 × 416,008.41
  4. Step 4: Simplify right side
    764,864.88x = 439,105,346,686.23
  5. Step 5: Solve for x
    x = 439,105,346,686.23/764,864.88
  6. Step 6: Final answer
    x = 574,095.32

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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.